15761302921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{19031}}^1$

素因数の和:19549

約数の個数: 32

約数和(自身を含む): 20463206400

約数和(自身を除く): 4701903479

約数列:

[1, 7, 13, 19, 91, 133, 247, 479, 1729, 3353, 6227, 9101, 19031, 43589, 63707, 118313, 133217, 247403, 361589, 828191, 1731821, 2531123, 4700657, 9115849, 32904599, 63810943, 118506037, 173201131, 829542259, 1212407917, 2251614703, 15761302921]

約数ペア:

[(1, 15761302921), (7, 2251614703), (13, 1212407917), (19, 829542259), (91, 173201131), (133, 118506037), (247, 63810943), (479, 32904599), (1729, 9115849), (3353, 4700657), (6227, 2531123), (9101, 1731821), (19031, 828191), (43589, 361589), (63707, 247403), (118313, 133217)]