51202125

素因数分解:

$3^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:429

約数の個数: 80

約数和(自身を含む): 103062960

約数和(自身を除く): 51860835

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 125, 135, 195, 225, 325, 351, 375, 389, 405, 585, 675, 975, 1053, 1125, 1167, 1625, 1755, 1945, 2025, 2925, 3375, 3501, 4875, 5057, 5265, 5835, 8775, 9725, 10125, 10503, 14625, 15171, 17505, 25285, 26325, 29175, 31509, 43875, 45513, 48625, 52515, 75855, 87525, 126425, 131625, 136539, 145875, 157545, 227565, 262575, 379275, 409617, 437625, 632125, 682695, 787725, 1137825, 1312875, 1896375, 2048085, 3413475, 3938625, 5689125, 10240425, 17067375, 51202125]

約数ペア:

[(1, 51202125), (3, 17067375), (5, 10240425), (9, 5689125), (13, 3938625), (15, 3413475), (25, 2048085), (27, 1896375), (39, 1312875), (45, 1137825), (65, 787725), (75, 682695), (81, 632125), (117, 437625), (125, 409617), (135, 379275), (195, 262575), (225, 227565), (325, 157545), (351, 145875), (375, 136539), (389, 131625), (405, 126425), (585, 87525), (675, 75855), (975, 52515), (1053, 48625), (1125, 45513), (1167, 43875), (1625, 31509), (1755, 29175), (1945, 26325), (2025, 25285), (2925, 17505), (3375, 15171), (3501, 14625), (4875, 10503), (5057, 10125), (5265, 9725), (5835, 8775)]