81464901

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{4657}}^1$

素因数の和:4698

約数の個数: 32

約数和(自身を含む): 134150400

約数和(自身を除く): 52685499

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 2499, 4657, 5831, 13971, 17493, 32599, 79169, 97797, 228193, 237507, 554183, 684579, 1597351, 1662549, 3879281, 4792053, 11637843, 27154967, 81464901]

約数ペア:

[(1, 81464901), (3, 27154967), (7, 11637843), (17, 4792053), (21, 3879281), (49, 1662549), (51, 1597351), (119, 684579), (147, 554183), (343, 237507), (357, 228193), (833, 97797), (1029, 79169), (2499, 32599), (4657, 17493), (5831, 13971)]