7728539

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 9838080

約数和(自身を除く): 2109541

約数列:

[1, 7, 13, 47, 91, 139, 169, 329, 611, 973, 1183, 1807, 4277, 6533, 7943, 12649, 23491, 45731, 55601, 84929, 164437, 594503, 1104077, 7728539]

約数ペア:

[(1, 7728539), (7, 1104077), (13, 594503), (47, 164437), (91, 84929), (139, 55601), (169, 45731), (329, 23491), (611, 12649), (973, 7943), (1183, 6533), (1807, 4277)]