15897357

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{233}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 28529280

約数和(自身を除く): 12631923

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 233, 361, 399, 513, 699, 1083, 1197, 1631, 2097, 2527, 3249, 3591, 4427, 4893, 6291, 7581, 9747, 13281, 14679, 22743, 30989, 39843, 44037, 68229, 84113, 92967, 119529, 252339, 278901, 588791, 757017, 836703, 1766373, 2271051, 5299119, 15897357]

約数ペア:

[(1, 15897357), (3, 5299119), (7, 2271051), (9, 1766373), (19, 836703), (21, 757017), (27, 588791), (57, 278901), (63, 252339), (133, 119529), (171, 92967), (189, 84113), (233, 68229), (361, 44037), (399, 39843), (513, 30989), (699, 22743), (1083, 14679), (1197, 13281), (1631, 9747), (2097, 7581), (2527, 6291), (3249, 4893), (3591, 4427)]