128662209

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{9907}}^1$

素因数の和:9966

約数の個数: 32

約数和(自身を含む): 210842240

約数和(自身を除く): 82180031

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329, 9907, 12987, 29721, 89163, 128791, 267489, 366559, 386373, 1099677, 1159119, 3299031, 3477357, 4765267, 9897093, 14295801, 42887403, 128662209]

約数ペア:

[(1, 128662209), (3, 42887403), (9, 14295801), (13, 9897093), (27, 4765267), (37, 3477357), (39, 3299031), (111, 1159119), (117, 1099677), (333, 386373), (351, 366559), (481, 267489), (999, 128791), (1443, 89163), (4329, 29721), (9907, 12987)]