15666970221

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2414389}}^1$

素因数の和:2414505

約数の個数: 24

約数和(自身を含む): 26114042240

約数和(自身を除く): 10447072019

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 6489, 2414389, 7243167, 16900723, 21729501, 50702169, 152106507, 248682067, 746046201, 1740774469, 2238138603, 5222323407, 15666970221]

約数ペア:

[(1, 15666970221), (3, 5222323407), (7, 2238138603), (9, 1740774469), (21, 746046201), (63, 248682067), (103, 152106507), (309, 50702169), (721, 21729501), (927, 16900723), (2163, 7243167), (6489, 2414389)]