260185725

素因数分解:

$3^2\times 5^2\times {\mathrm{103}}^2\times {\mathrm{109}}^1$

素因数の和:331

約数の個数: 54

約数和(自身を含む): 474907290

約数和(自身を除く): 214721565

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 109, 225, 309, 327, 515, 545, 927, 981, 1545, 1635, 2575, 2725, 4635, 4905, 7725, 8175, 10609, 11227, 23175, 24525, 31827, 33681, 53045, 56135, 95481, 101043, 159135, 168405, 265225, 280675, 477405, 505215, 795675, 842025, 1156381, 2387025, 2526075, 3469143, 5781905, 10407429, 17345715, 28909525, 52037145, 86728575, 260185725]

約数ペア:

[(1, 260185725), (3, 86728575), (5, 52037145), (9, 28909525), (15, 17345715), (25, 10407429), (45, 5781905), (75, 3469143), (103, 2526075), (109, 2387025), (225, 1156381), (309, 842025), (327, 795675), (515, 505215), (545, 477405), (927, 280675), (981, 265225), (1545, 168405), (1635, 159135), (2575, 101043), (2725, 95481), (4635, 56135), (4905, 53045), (7725, 33681), (8175, 31827), (10609, 24525), (11227, 23175)]