72865642725

素因数分解:

$3^2\times 5^2\times {\mathrm{2081}}^1\times {\mathrm{155621}}^1$

素因数の和:157718

約数の個数: 36

約数和(自身を含む): 130574016612

約数和(自身を除く): 57708373887

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 2081, 6243, 10405, 18729, 31215, 52025, 93645, 155621, 156075, 466863, 468225, 778105, 1400589, 2334315, 3890525, 7002945, 11671575, 35014725, 323847301, 971541903, 1619236505, 2914625709, 4857709515, 8096182525, 14573128545, 24288547575, 72865642725]

約数ペア:

[(1, 72865642725), (3, 24288547575), (5, 14573128545), (9, 8096182525), (15, 4857709515), (25, 2914625709), (45, 1619236505), (75, 971541903), (225, 323847301), (2081, 35014725), (6243, 11671575), (10405, 7002945), (18729, 3890525), (31215, 2334315), (52025, 1400589), (93645, 778105), (155621, 468225), (156075, 466863)]