15900489

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 26897920

約数和(自身を除く): 10997431

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 121, 157, 279, 297, 341, 363, 471, 837, 1023, 1089, 1413, 1727, 3069, 3267, 3751, 4239, 4867, 5181, 9207, 11253, 14601, 15543, 18997, 33759, 43803, 46629, 53537, 56991, 101277, 131409, 160611, 170973, 481833, 512919, 588907, 1445499, 1766721, 5300163, 15900489]

約数ペア:

[(1, 15900489), (3, 5300163), (9, 1766721), (11, 1445499), (27, 588907), (31, 512919), (33, 481833), (93, 170973), (99, 160611), (121, 131409), (157, 101277), (279, 56991), (297, 53537), (341, 46629), (363, 43803), (471, 33759), (837, 18997), (1023, 15543), (1089, 14601), (1413, 11253), (1727, 9207), (3069, 5181), (3267, 4867), (3751, 4239)]