28216419

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{122149}}^1$

素因数の和:122170

約数の個数: 16

約数和(自身を含む): 46905600

約数和(自身を除く): 18689181

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 122149, 366447, 855043, 1343639, 2565129, 4030917, 9405473, 28216419]

約数ペア:

[(1, 28216419), (3, 9405473), (7, 4030917), (11, 2565129), (21, 1343639), (33, 855043), (77, 366447), (231, 122149)]