42498639

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 62868000

約数和(自身を除く): 20369361

約数列:

[1, 3, 9, 61, 183, 199, 389, 549, 597, 1167, 1791, 3501, 12139, 23729, 36417, 71187, 77411, 109251, 213561, 232233, 696699, 4722071, 14166213, 42498639]

約数ペア:

[(1, 42498639), (3, 14166213), (9, 4722071), (61, 696699), (183, 232233), (199, 213561), (389, 109251), (549, 77411), (597, 71187), (1167, 36417), (1791, 23729), (3501, 12139)]