28201119

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 38273664

約数和(自身を除く): 10072545

約数列:

[1, 3, 101, 163, 303, 489, 571, 1713, 16463, 49389, 57671, 93073, 173013, 279219, 9400373, 28201119]

約数ペア:

[(1, 28201119), (3, 9400373), (101, 279219), (163, 173013), (303, 93073), (489, 57671), (571, 49389), (1713, 16463)]