138438525

素因数分解:

$3^1\times 5^2\times {\mathrm{887}}^1\times {\mathrm{2081}}^1$

素因数の和:2981

約数の個数: 24

約数和(自身を含む): 229253184

約数和(自身を除く): 90814659

約数列:

[1, 3, 5, 15, 25, 75, 887, 2081, 2661, 4435, 6243, 10405, 13305, 22175, 31215, 52025, 66525, 156075, 1845847, 5537541, 9229235, 27687705, 46146175, 138438525]

約数ペア:

[(1, 138438525), (3, 46146175), (5, 27687705), (15, 9229235), (25, 5537541), (75, 1845847), (887, 156075), (2081, 66525), (2661, 52025), (4435, 31215), (6243, 22175), (10405, 13305)]