216427925

素因数分解:

$5^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1871}}^1$

素因数の和:2549

約数の個数: 24

約数和(自身を含む): 307337472

約数和(自身を除く): 90909547

約数列:

[1, 5, 7, 25, 35, 175, 661, 1871, 3305, 4627, 9355, 13097, 16525, 23135, 46775, 65485, 115675, 327425, 1236731, 6183655, 8657117, 30918275, 43285585, 216427925]

約数ペア:

[(1, 216427925), (5, 43285585), (7, 30918275), (25, 8657117), (35, 6183655), (175, 1236731), (661, 327425), (1871, 115675), (3305, 65485), (4627, 46775), (9355, 23135), (13097, 16525)]