64942521

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{22573}}^1$

素因数の和:22720

約数の個数: 16

約数和(自身を含む): 99686784

約数和(自身を除く): 34744263

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 22573, 67719, 158011, 474033, 3092501, 9277503, 21647507, 64942521]

約数ペア:

[(1, 64942521), (3, 21647507), (7, 9277503), (21, 3092501), (137, 474033), (411, 158011), (959, 67719), (2877, 22573)]