78688029

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{47431}}^1$

素因数の和:47520

約数の個数: 16

約数和(自身を含む): 121425920

約数和(自身を除く): 42737891

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 47431, 142293, 332017, 996051, 3747049, 11241147, 26229343, 78688029]

約数ペア:

[(1, 78688029), (3, 26229343), (7, 11241147), (21, 3747049), (79, 996051), (237, 332017), (553, 142293), (1659, 47431)]