1393557

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{349}}^1$

素因数の和:385

約数の個数: 16

約数和(自身を含む): 2049600

約数和(自身を除く): 656043

約数列:

[1, 3, 11, 33, 121, 349, 363, 1047, 1331, 3839, 3993, 11517, 42229, 126687, 464519, 1393557]

約数ペア:

[(1, 1393557), (3, 464519), (11, 126687), (33, 42229), (121, 11517), (349, 3993), (363, 3839), (1047, 1331)]