25475715

素因数分解:

$3^4\times 5^1\times {\mathrm{62903}}^1$

素因数の和:62920

約数の個数: 20

約数和(自身を含む): 45668304

約数和(自身を除く): 20192589

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 62903, 188709, 314515, 566127, 943545, 1698381, 2830635, 5095143, 8491905, 25475715]

約数ペア:

[(1, 25475715), (3, 8491905), (5, 5095143), (9, 2830635), (15, 1698381), (27, 943545), (45, 566127), (81, 314515), (135, 188709), (405, 62903)]