83131425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:419

約数の個数: 72

約数和(自身を含む): 162557304

約数和(自身を除く): 79425879

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 97, 117, 195, 225, 291, 293, 325, 485, 585, 873, 879, 975, 1261, 1455, 1465, 2425, 2637, 2925, 3783, 3809, 4365, 4395, 6305, 7275, 7325, 11349, 11427, 13185, 18915, 19045, 21825, 21975, 28421, 31525, 34281, 56745, 57135, 65925, 85263, 94575, 95225, 142105, 171405, 255789, 283725, 285675, 369473, 426315, 710525, 857025, 1108419, 1278945, 1847365, 2131575, 3325257, 5542095, 6394725, 9236825, 16626285, 27710475, 83131425]

約数ペア:

[(1, 83131425), (3, 27710475), (5, 16626285), (9, 9236825), (13, 6394725), (15, 5542095), (25, 3325257), (39, 2131575), (45, 1847365), (65, 1278945), (75, 1108419), (97, 857025), (117, 710525), (195, 426315), (225, 369473), (291, 285675), (293, 283725), (325, 255789), (485, 171405), (585, 142105), (873, 95225), (879, 94575), (975, 85263), (1261, 65925), (1455, 57135), (1465, 56745), (2425, 34281), (2637, 31525), (2925, 28421), (3783, 21975), (3809, 21825), (4365, 19045), (4395, 18915), (6305, 13185), (7275, 11427), (7325, 11349)]