1857243375

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{151}}^1$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 3758873664

約数和(自身を除く): 1901630289

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 45, 65, 75, 87, 117, 125, 145, 151, 195, 225, 261, 325, 375, 377, 435, 453, 585, 725, 755, 841, 975, 1125, 1131, 1305, 1359, 1625, 1885, 1963, 2175, 2265, 2523, 2925, 3393, 3625, 3775, 4205, 4379, 4875, 5655, 5889, 6525, 6795, 7569, 9425, 9815, 10875, 10933, 11325, 12615, 13137, 14625, 16965, 17667, 18875, 21025, 21895, 28275, 29445, 32625, 32799, 33975, 37845, 39411, 47125, 49075, 54665, 56625, 56927, 63075, 65685, 84825, 88335, 98397, 105125, 109475, 126991, 141375, 147225, 163995, 169875, 170781, 189225, 197055, 245375, 273325, 284635, 315375, 328425, 380973, 424125, 441675, 491985, 512343, 547375, 634955, 736125, 819975, 853905, 946125, 985275, 1142919, 1366625, 1423175, 1642125, 1650883, 1904865, 2208375, 2459925, 2561715, 3174775, 4099875, 4269525, 4926375, 4952649, 5714595, 7115875, 8254415, 9524325, 12299625, 12808575, 14857947, 15873875, 21347625, 24763245, 28572975, 41272075, 47621625, 64042875, 74289735, 123816225, 142864875, 206360375, 371448675, 619081125, 1857243375]

約数ペア:

[(1, 1857243375), (3, 619081125), (5, 371448675), (9, 206360375), (13, 142864875), (15, 123816225), (25, 74289735), (29, 64042875), (39, 47621625), (45, 41272075), (65, 28572975), (75, 24763245), (87, 21347625), (117, 15873875), (125, 14857947), (145, 12808575), (151, 12299625), (195, 9524325), (225, 8254415), (261, 7115875), (325, 5714595), (375, 4952649), (377, 4926375), (435, 4269525), (453, 4099875), (585, 3174775), (725, 2561715), (755, 2459925), (841, 2208375), (975, 1904865), (1125, 1650883), (1131, 1642125), (1305, 1423175), (1359, 1366625), (1625, 1142919), (1885, 985275), (1963, 946125), (2175, 853905), (2265, 819975), (2523, 736125), (2925, 634955), (3393, 547375), (3625, 512343), (3775, 491985), (4205, 441675), (4379, 424125), (4875, 380973), (5655, 328425), (5889, 315375), (6525, 284635), (6795, 273325), (7569, 245375), (9425, 197055), (9815, 189225), (10875, 170781), (10933, 169875), (11325, 163995), (12615, 147225), (13137, 141375), (14625, 126991), (16965, 109475), (17667, 105125), (18875, 98397), (21025, 88335), (21895, 84825), (28275, 65685), (29445, 63075), (32625, 56927), (32799, 56625), (33975, 54665), (37845, 49075), (39411, 47125)]