217945833

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{63671}}^1$

素因数の和:63844

約数の個数: 16

約数和(自身を含む): 334150656

約数和(自身を除く): 116204823

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 63671, 191013, 445697, 1337091, 10378373, 31135119, 72648611, 217945833]

約数ペア:

[(1, 217945833), (3, 72648611), (7, 31135119), (21, 10378373), (163, 1337091), (489, 445697), (1141, 191013), (3423, 63671)]