13939821

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1279}}^1$

素因数の和:1465

約数の個数: 24

約数和(自身を含む): 23162880

約数和(自身を除く): 9223059

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1279, 1557, 3633, 3837, 8953, 10899, 11511, 26859, 80577, 221267, 663801, 1548869, 1991403, 4646607, 13939821]

約数ペア:

[(1, 13939821), (3, 4646607), (7, 1991403), (9, 1548869), (21, 663801), (63, 221267), (173, 80577), (519, 26859), (1211, 11511), (1279, 10899), (1557, 8953), (3633, 3837)]