40388187

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{3917}}^1$

素因数の和:4418

約数の個数: 16

約数和(自身を含む): 61684992

約数和(自身を除く): 21296805

約数列:

[1, 3, 7, 21, 491, 1473, 3437, 3917, 10311, 11751, 27419, 82257, 1923247, 5769741, 13462729, 40388187]

約数ペア:

[(1, 40388187), (3, 13462729), (7, 5769741), (21, 1923247), (491, 82257), (1473, 27419), (3437, 11751), (3917, 10311)]