30520399

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{349}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 38925600

約数和(自身を除く): 8405201

約数列:

[1, 7, 13, 31, 91, 217, 349, 403, 961, 2443, 2821, 4537, 6727, 10819, 12493, 31759, 75733, 87451, 140647, 335389, 984529, 2347723, 4360057, 30520399]

約数ペア:

[(1, 30520399), (7, 4360057), (13, 2347723), (31, 984529), (91, 335389), (217, 140647), (349, 87451), (403, 75733), (961, 31759), (2443, 12493), (2821, 10819), (4537, 6727)]