71291625

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 128583936

約数和(自身を除く): 57292311

約数列:

[1, 3, 5, 15, 17, 25, 51, 53, 75, 85, 125, 159, 211, 255, 265, 375, 425, 633, 795, 901, 1055, 1275, 1325, 2125, 2703, 3165, 3587, 3975, 4505, 5275, 6375, 6625, 10761, 11183, 13515, 15825, 17935, 19875, 22525, 26375, 33549, 53805, 55915, 67575, 79125, 89675, 112625, 167745, 190111, 269025, 279575, 337875, 448375, 570333, 838725, 950555, 1345125, 1397875, 2851665, 4193625, 4752775, 14258325, 23763875, 71291625]

約数ペア:

[(1, 71291625), (3, 23763875), (5, 14258325), (15, 4752775), (17, 4193625), (25, 2851665), (51, 1397875), (53, 1345125), (75, 950555), (85, 838725), (125, 570333), (159, 448375), (211, 337875), (255, 279575), (265, 269025), (375, 190111), (425, 167745), (633, 112625), (795, 89675), (901, 79125), (1055, 67575), (1275, 55915), (1325, 53805), (2125, 33549), (2703, 26375), (3165, 22525), (3587, 19875), (3975, 17935), (4505, 15825), (5275, 13515), (6375, 11183), (6625, 10761)]