81369864

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{8627}}^1$

素因数の和:8770

約数の個数: 48

約数和(自身を含む): 222084720

約数和(自身を除く): 140714856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 4716, 8627, 9432, 17254, 25881, 34508, 51762, 69016, 77643, 103524, 155286, 207048, 310572, 621144, 1130137, 2260274, 3390411, 4520548, 6780822, 9041096, 10171233, 13561644, 20342466, 27123288, 40684932, 81369864]

約数ペア:

[(1, 81369864), (2, 40684932), (3, 27123288), (4, 20342466), (6, 13561644), (8, 10171233), (9, 9041096), (12, 6780822), (18, 4520548), (24, 3390411), (36, 2260274), (72, 1130137), (131, 621144), (262, 310572), (393, 207048), (524, 155286), (786, 103524), (1048, 77643), (1179, 69016), (1572, 51762), (2358, 34508), (3144, 25881), (4716, 17254), (8627, 9432)]