64625445

素因数分解:

$3^4\times 5^1\times {\mathrm{159569}}^1$

素因数の和:159586

約数の個数: 20

約数和(自身を含む): 115847820

約数和(自身を除く): 51222375

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 159569, 478707, 797845, 1436121, 2393535, 4308363, 7180605, 12925089, 21541815, 64625445]

約数ペア:

[(1, 64625445), (3, 21541815), (5, 12925089), (9, 7180605), (15, 4308363), (27, 2393535), (45, 1436121), (81, 797845), (135, 478707), (405, 159569)]