3897315

素因数分解:

$3^4\times 5^1\times {\mathrm{9623}}^1$

素因数の和:9640

約数の個数: 20

約数和(自身を含む): 6987024

約数和(自身を除く): 3089709

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9623, 28869, 48115, 86607, 144345, 259821, 433035, 779463, 1299105, 3897315]

約数ペア:

[(1, 3897315), (3, 1299105), (5, 779463), (9, 433035), (15, 259821), (27, 144345), (45, 86607), (81, 48115), (135, 28869), (405, 9623)]