1561567161

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{66931}}^1$

素因数の和:67053

約数の個数: 32

約数和(自身を含む): 2621592576

約数和(自身を除く): 1060025415

約数列:

[1, 3, 7, 11, 21, 33, 77, 101, 231, 303, 707, 1111, 2121, 3333, 7777, 23331, 66931, 200793, 468517, 736241, 1405551, 2208723, 5153687, 6760031, 15461061, 20280093, 47320217, 74360341, 141960651, 223081023, 520522387, 1561567161]

約数ペア:

[(1, 1561567161), (3, 520522387), (7, 223081023), (11, 141960651), (21, 74360341), (33, 47320217), (77, 20280093), (101, 15461061), (231, 6760031), (303, 5153687), (707, 2208723), (1111, 1405551), (2121, 736241), (3333, 468517), (7777, 200793), (23331, 66931)]