81168945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 154828800

約数和(自身を除く): 73659855

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 79, 143, 165, 195, 237, 395, 429, 479, 715, 869, 1027, 1185, 1437, 2145, 2395, 2607, 3081, 4345, 5135, 5269, 6227, 7185, 11297, 13035, 15405, 15807, 18681, 26345, 31135, 33891, 37841, 56485, 68497, 79035, 93405, 113523, 169455, 189205, 205491, 342485, 416251, 491933, 567615, 1027455, 1248753, 1475799, 2081255, 2459665, 5411263, 6243765, 7378995, 16233789, 27056315, 81168945]

約数ペア:

[(1, 81168945), (3, 27056315), (5, 16233789), (11, 7378995), (13, 6243765), (15, 5411263), (33, 2459665), (39, 2081255), (55, 1475799), (65, 1248753), (79, 1027455), (143, 567615), (165, 491933), (195, 416251), (237, 342485), (395, 205491), (429, 189205), (479, 169455), (715, 113523), (869, 93405), (1027, 79035), (1185, 68497), (1437, 56485), (2145, 37841), (2395, 33891), (2607, 31135), (3081, 26345), (4345, 18681), (5135, 15807), (5269, 15405), (6227, 13035), (7185, 11297)]