12777525

素因数分解:

$3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 36

約数和(自身を含む): 23140260

約数和(自身を除く): 10362735

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 225, 327, 521, 545, 981, 1563, 1635, 2605, 2725, 4689, 4905, 7815, 8175, 13025, 23445, 24525, 39075, 56789, 117225, 170367, 283945, 511101, 851835, 1419725, 2555505, 4259175, 12777525]

約数ペア:

[(1, 12777525), (3, 4259175), (5, 2555505), (9, 1419725), (15, 851835), (25, 511101), (45, 283945), (75, 170367), (109, 117225), (225, 56789), (327, 39075), (521, 24525), (545, 23445), (981, 13025), (1563, 8175), (1635, 7815), (2605, 4905), (2725, 4689)]