81657156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{33521}}^1$

素因数の和:33564

約数の個数: 48

約数和(自身を含む): 225267840

約数和(自身を除く): 143610684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 33521, 67042, 100563, 134084, 201126, 234647, 402252, 469294, 703941, 938588, 972109, 1407882, 1944218, 2815764, 2916327, 3888436, 5832654, 6804763, 11665308, 13609526, 20414289, 27219052, 40828578, 81657156]

約数ペア:

[(1, 81657156), (2, 40828578), (3, 27219052), (4, 20414289), (6, 13609526), (7, 11665308), (12, 6804763), (14, 5832654), (21, 3888436), (28, 2916327), (29, 2815764), (42, 1944218), (58, 1407882), (84, 972109), (87, 938588), (116, 703941), (174, 469294), (203, 402252), (348, 234647), (406, 201126), (609, 134084), (812, 100563), (1218, 67042), (2436, 33521)]