66221393

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 81675072

約数和(自身を除く): 15453679

約数列:

[1, 7, 23, 49, 67, 161, 469, 877, 1127, 1541, 3283, 6139, 10787, 20171, 42973, 58759, 75509, 141197, 411313, 988379, 1351457, 2879191, 9460199, 66221393]

約数ペア:

[(1, 66221393), (7, 9460199), (23, 2879191), (49, 1351457), (67, 988379), (161, 411313), (469, 141197), (877, 75509), (1127, 58759), (1541, 42973), (3283, 20171), (6139, 10787)]