2405619

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1747}}^1$

素因数の和:1776

約数の個数: 20

約数和(自身を含む): 3807144

約数和(自身を除く): 1401525

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1747, 5241, 15723, 29699, 47169, 89097, 141507, 267291, 801873, 2405619]

約数ペア:

[(1, 2405619), (3, 801873), (9, 267291), (17, 141507), (27, 89097), (51, 47169), (81, 29699), (153, 15723), (459, 5241), (1377, 1747)]