27878137203

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1\times {\mathrm{20101}}^1$

素因数の和:20635

約数の個数: 32

約数和(自身を含む): 42820797952

約数和(自身を除く): 14942660749

約数列:

[1, 3, 7, 21, 211, 313, 633, 939, 1477, 2191, 4431, 6573, 20101, 60303, 66043, 140707, 198129, 422121, 462301, 1386903, 4241311, 6291613, 12723933, 18874839, 29689177, 44041291, 89067531, 132123873, 1327530343, 3982591029, 9292712401, 27878137203]

約数ペア:

[(1, 27878137203), (3, 9292712401), (7, 3982591029), (21, 1327530343), (211, 132123873), (313, 89067531), (633, 44041291), (939, 29689177), (1477, 18874839), (2191, 12723933), (4431, 6291613), (6573, 4241311), (20101, 1386903), (60303, 462301), (66043, 422121), (140707, 198129)]