218638359

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{62773}}^1$

素因数の和:62828

約数の個数: 20

約数和(自身を含む): 334208776

約数和(自身を除く): 115570417

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 62773, 188319, 564957, 1694871, 2699239, 5084613, 8097717, 24293151, 72879453, 218638359]

約数ペア:

[(1, 218638359), (3, 72879453), (9, 24293151), (27, 8097717), (43, 5084613), (81, 2699239), (129, 1694871), (387, 564957), (1161, 188319), (3483, 62773)]