28193895

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10271}}^1$

素因数の和:10343

約数の個数: 24

約数和(自身を含む): 49675392

約数和(自身を除く): 21481497

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 10271, 30813, 51355, 92439, 154065, 462195, 626531, 1879593, 3132655, 5638779, 9397965, 28193895]

約数ペア:

[(1, 28193895), (3, 9397965), (5, 5638779), (9, 3132655), (15, 1879593), (45, 626531), (61, 462195), (183, 154065), (305, 92439), (549, 51355), (915, 30813), (2745, 10271)]