1389861

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 2227680

約数和(自身を除く): 837819

約数列:

[1, 3, 9, 11, 33, 99, 101, 139, 303, 417, 909, 1111, 1251, 1529, 3333, 4587, 9999, 13761, 14039, 42117, 126351, 154429, 463287, 1389861]

約数ペア:

[(1, 1389861), (3, 463287), (9, 154429), (11, 126351), (33, 42117), (99, 14039), (101, 13761), (139, 9999), (303, 4587), (417, 3333), (909, 1529), (1111, 1251)]