87721812

素因数分解:

$2^2\times 3^3\times {\mathrm{521}}^1\times {\mathrm{1559}}^1$

素因数の和:2093

約数の個数: 48

約数和(自身を含む): 228009600

約数和(自身を除く): 140287788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 521, 1042, 1559, 1563, 2084, 3118, 3126, 4677, 4689, 6236, 6252, 9354, 9378, 14031, 14067, 18708, 18756, 28062, 28134, 42093, 56124, 56268, 84186, 168372, 812239, 1624478, 2436717, 3248956, 4873434, 7310151, 9746868, 14620302, 21930453, 29240604, 43860906, 87721812]

約数ペア:

[(1, 87721812), (2, 43860906), (3, 29240604), (4, 21930453), (6, 14620302), (9, 9746868), (12, 7310151), (18, 4873434), (27, 3248956), (36, 2436717), (54, 1624478), (108, 812239), (521, 168372), (1042, 84186), (1559, 56268), (1563, 56124), (2084, 42093), (3118, 28134), (3126, 28062), (4677, 18756), (4689, 18708), (6236, 14067), (6252, 14031), (9354, 9378)]