16211025

素因数分解:

$3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:786

約数の個数: 36

約数和(自身を含む): 29346460

約数和(自身を除く): 13135435

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 225, 327, 545, 661, 981, 1635, 1983, 2725, 3305, 4905, 5949, 8175, 9915, 16525, 24525, 29745, 49575, 72049, 148725, 216147, 360245, 648441, 1080735, 1801225, 3242205, 5403675, 16211025]

約数ペア:

[(1, 16211025), (3, 5403675), (5, 3242205), (9, 1801225), (15, 1080735), (25, 648441), (45, 360245), (75, 216147), (109, 148725), (225, 72049), (327, 49575), (545, 29745), (661, 24525), (981, 16525), (1635, 9915), (1983, 8175), (2725, 5949), (3305, 4905)]