15551991

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1117}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 29300544

約数和(自身を除く): 13748553

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1117, 1547, 1989, 3351, 4641, 7819, 10053, 13923, 14521, 18989, 23457, 43563, 56967, 70371, 101647, 130689, 132923, 170901, 246857, 304941, 398769, 740571, 914823, 1196307, 1727999, 2221713, 5183997, 15551991]

約数ペア:

[(1, 15551991), (3, 5183997), (7, 2221713), (9, 1727999), (13, 1196307), (17, 914823), (21, 740571), (39, 398769), (51, 304941), (63, 246857), (91, 170901), (117, 132923), (119, 130689), (153, 101647), (221, 70371), (273, 56967), (357, 43563), (663, 23457), (819, 18989), (1071, 14521), (1117, 13923), (1547, 10053), (1989, 7819), (3351, 4641)]