72156721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{46643}}^1$

素因数の和:46680

約数の個数: 16

約数和(自身を含む): 94034304

約数和(自身を除く): 21877583

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 46643, 326501, 606359, 792931, 4244513, 5550517, 10308103, 72156721]

約数ペア:

[(1, 72156721), (7, 10308103), (13, 5550517), (17, 4244513), (91, 792931), (119, 606359), (221, 326501), (1547, 46643)]