39897465

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 66355200

約数和(自身を除く): 26457735

約数列:

[1, 3, 5, 15, 31, 93, 155, 239, 359, 465, 717, 1077, 1195, 1795, 3585, 5385, 7409, 11129, 22227, 33387, 37045, 55645, 85801, 111135, 166935, 257403, 429005, 1287015, 2659831, 7979493, 13299155, 39897465]

約数ペア:

[(1, 39897465), (3, 13299155), (5, 7979493), (15, 2659831), (31, 1287015), (93, 429005), (155, 257403), (239, 166935), (359, 111135), (465, 85801), (717, 55645), (1077, 37045), (1195, 33387), (1795, 22227), (3585, 11129), (5385, 7409)]