2621565

素因数分解:

$3^4\times 5^1\times {\mathrm{6473}}^1$

素因数の和:6490

約数の個数: 20

約数和(自身を含む): 4700124

約数和(自身を除く): 2078559

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6473, 19419, 32365, 58257, 97095, 174771, 291285, 524313, 873855, 2621565]

約数ペア:

[(1, 2621565), (3, 873855), (5, 524313), (9, 291285), (15, 174771), (27, 97095), (45, 58257), (81, 32365), (135, 19419), (405, 6473)]