31193799

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{701}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 51577344

約数和(自身を除く): 20383545

約数列:

[1, 3, 7, 13, 21, 39, 91, 163, 273, 489, 701, 1141, 2103, 2119, 3423, 4907, 6357, 9113, 14721, 14833, 27339, 44499, 63791, 114263, 191373, 342789, 799841, 1485419, 2399523, 4456257, 10397933, 31193799]

約数ペア:

[(1, 31193799), (3, 10397933), (7, 4456257), (13, 2399523), (21, 1485419), (39, 799841), (91, 342789), (163, 191373), (273, 114263), (489, 63791), (701, 44499), (1141, 27339), (2103, 14833), (2119, 14721), (3423, 9113), (4907, 6357)]