28707693

素因数分解:

$3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{3917}}^1$

素因数の和:4276

約数の個数: 16

約数和(自身を含む): 43881600

約数和(自身を除く): 15173907

約数列:

[1, 3, 7, 21, 349, 1047, 2443, 3917, 7329, 11751, 27419, 82257, 1367033, 4101099, 9569231, 28707693]

約数ペア:

[(1, 28707693), (3, 9569231), (7, 4101099), (21, 1367033), (349, 82257), (1047, 27419), (2443, 11751), (3917, 7329)]