15506547

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 24440832

約数和(自身を除く): 8934285

約数列:

[1, 3, 7, 21, 67, 103, 107, 201, 309, 321, 469, 721, 749, 1407, 2163, 2247, 6901, 7169, 11021, 20703, 21507, 33063, 48307, 50183, 77147, 144921, 150549, 231441, 738407, 2215221, 5168849, 15506547]

約数ペア:

[(1, 15506547), (3, 5168849), (7, 2215221), (21, 738407), (67, 231441), (103, 150549), (107, 144921), (201, 77147), (309, 50183), (321, 48307), (469, 33063), (721, 21507), (749, 20703), (1407, 11021), (2163, 7169), (2247, 6901)]