27638515

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 36427392

約数和(自身を除く): 8788877

約数列:

[1, 5, 17, 31, 85, 155, 289, 527, 617, 1445, 2635, 3085, 8959, 10489, 19127, 44795, 52445, 95635, 178313, 325159, 891565, 1625795, 5527703, 27638515]

約数ペア:

[(1, 27638515), (5, 5527703), (17, 1625795), (31, 891565), (85, 325159), (155, 178313), (289, 95635), (527, 52445), (617, 44795), (1445, 19127), (2635, 10489), (3085, 8959)]