215564545

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3257}}^1$

素因数の和:3361

約数の個数: 32

約数和(自身を含む): 310265856

約数和(自身を除く): 94701311

約数列:

[1, 5, 7, 31, 35, 61, 155, 217, 305, 427, 1085, 1891, 2135, 3257, 9455, 13237, 16285, 22799, 66185, 100967, 113995, 198677, 504835, 706769, 993385, 1390739, 3533845, 6158987, 6953695, 30794935, 43112909, 215564545]

約数ペア:

[(1, 215564545), (5, 43112909), (7, 30794935), (31, 6953695), (35, 6158987), (61, 3533845), (155, 1390739), (217, 993385), (305, 706769), (427, 504835), (1085, 198677), (1891, 113995), (2135, 100967), (3257, 66185), (9455, 22799), (13237, 16285)]