51688875

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 104569920

約数和(自身を除く): 52881045

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 49, 75, 87, 97, 105, 125, 145, 147, 175, 203, 245, 291, 375, 435, 485, 525, 609, 679, 725, 735, 875, 1015, 1225, 1421, 1455, 2037, 2175, 2425, 2625, 2813, 3045, 3395, 3625, 3675, 4263, 4753, 5075, 6125, 7105, 7275, 8439, 10185, 10875, 12125, 14065, 14259, 15225, 16975, 18375, 19691, 21315, 23765, 25375, 35525, 36375, 42195, 50925, 59073, 70325, 71295, 76125, 84875, 98455, 106575, 118825, 137837, 177625, 210975, 254625, 295365, 351625, 356475, 413511, 492275, 532875, 594125, 689185, 1054875, 1476825, 1782375, 2067555, 2461375, 3445925, 7384125, 10337775, 17229625, 51688875]

約数ペア:

[(1, 51688875), (3, 17229625), (5, 10337775), (7, 7384125), (15, 3445925), (21, 2461375), (25, 2067555), (29, 1782375), (35, 1476825), (49, 1054875), (75, 689185), (87, 594125), (97, 532875), (105, 492275), (125, 413511), (145, 356475), (147, 351625), (175, 295365), (203, 254625), (245, 210975), (291, 177625), (375, 137837), (435, 118825), (485, 106575), (525, 98455), (609, 84875), (679, 76125), (725, 71295), (735, 70325), (875, 59073), (1015, 50925), (1225, 42195), (1421, 36375), (1455, 35525), (2037, 25375), (2175, 23765), (2425, 21315), (2625, 19691), (2813, 18375), (3045, 16975), (3395, 15225), (3625, 14259), (3675, 14065), (4263, 12125), (4753, 10875), (5075, 10185), (6125, 8439), (7105, 7275)]