16997625

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 31758480

約数和(自身を除く): 14760855

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 225, 261, 375, 435, 521, 725, 1125, 1305, 1563, 2175, 2605, 3625, 4689, 6525, 7815, 10875, 13025, 15109, 23445, 32625, 39075, 45327, 65125, 75545, 117225, 135981, 195375, 226635, 377725, 586125, 679905, 1133175, 1888625, 3399525, 5665875, 16997625]

約数ペア:

[(1, 16997625), (3, 5665875), (5, 3399525), (9, 1888625), (15, 1133175), (25, 679905), (29, 586125), (45, 377725), (75, 226635), (87, 195375), (125, 135981), (145, 117225), (225, 75545), (261, 65125), (375, 45327), (435, 39075), (521, 32625), (725, 23445), (1125, 15109), (1305, 13025), (1563, 10875), (2175, 7815), (2605, 6525), (3625, 4689)]