201978021

素因数分解:

$3^1\times 7^1\times {\mathrm{9618001}}^1$

素因数の和:9618011

約数の個数: 8

約数和(自身を含む): 307776064

約数和(自身を除く): 105798043

約数列:

[1, 3, 7, 21, 9618001, 28854003, 67326007, 201978021]

約数ペア:

[(1, 201978021), (3, 67326007), (7, 28854003), (21, 9618001)]