400818957

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{2633}}^1$

素因数の和:3313

約数の個数: 32

約数和(自身を含む): 667560960

約数和(自身を除く): 266742003

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 659, 1977, 2633, 4613, 7249, 7899, 13839, 18431, 21747, 28963, 50743, 55293, 86889, 152229, 202741, 608223, 1735147, 5205441, 12146029, 19086617, 36438087, 57259851, 133606319, 400818957]

約数ペア:

[(1, 400818957), (3, 133606319), (7, 57259851), (11, 36438087), (21, 19086617), (33, 12146029), (77, 5205441), (231, 1735147), (659, 608223), (1977, 202741), (2633, 152229), (4613, 86889), (7249, 55293), (7899, 50743), (13839, 28963), (18431, 21747)]