18271125

素因数分解:

$3^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 33462000

約数和(自身を除く): 15190875

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 125, 149, 225, 327, 375, 447, 545, 745, 981, 1125, 1341, 1635, 2235, 2725, 3725, 4905, 6705, 8175, 11175, 13625, 16241, 18625, 24525, 33525, 40875, 48723, 55875, 81205, 122625, 146169, 167625, 243615, 406025, 730845, 1218075, 2030125, 3654225, 6090375, 18271125]

約数ペア:

[(1, 18271125), (3, 6090375), (5, 3654225), (9, 2030125), (15, 1218075), (25, 730845), (45, 406025), (75, 243615), (109, 167625), (125, 146169), (149, 122625), (225, 81205), (327, 55875), (375, 48723), (447, 40875), (545, 33525), (745, 24525), (981, 18625), (1125, 16241), (1341, 13625), (1635, 11175), (2235, 8175), (2725, 6705), (3725, 4905)]