18145875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 33965568

約数和(自身を除く): 15819693

約数列:

[1, 3, 5, 11, 15, 25, 33, 53, 55, 75, 83, 125, 159, 165, 249, 265, 275, 375, 415, 583, 795, 825, 913, 1245, 1325, 1375, 1749, 2075, 2739, 2915, 3975, 4125, 4399, 4565, 6225, 6625, 8745, 10375, 13197, 13695, 14575, 19875, 21995, 22825, 31125, 43725, 48389, 65985, 68475, 72875, 109975, 114125, 145167, 218625, 241945, 329925, 342375, 549875, 725835, 1209725, 1649625, 3629175, 6048625, 18145875]

約数ペア:

[(1, 18145875), (3, 6048625), (5, 3629175), (11, 1649625), (15, 1209725), (25, 725835), (33, 549875), (53, 342375), (55, 329925), (75, 241945), (83, 218625), (125, 145167), (159, 114125), (165, 109975), (249, 72875), (265, 68475), (275, 65985), (375, 48389), (415, 43725), (583, 31125), (795, 22825), (825, 21995), (913, 19875), (1245, 14575), (1325, 13695), (1375, 13197), (1749, 10375), (2075, 8745), (2739, 6625), (2915, 6225), (3975, 4565), (4125, 4399)]