123567129

素因数分解:

$3^2\times 7^1\times {\mathrm{911}}^1\times {\mathrm{2153}}^1$

素因数の和:3077

約数の個数: 24

約数和(自身を含む): 204302592

約数和(自身を除く): 80735463

約数列:

[1, 3, 7, 9, 21, 63, 911, 2153, 2733, 6377, 6459, 8199, 15071, 19131, 19377, 45213, 57393, 135639, 1961383, 5884149, 13729681, 17652447, 41189043, 123567129]

約数ペア:

[(1, 123567129), (3, 41189043), (7, 17652447), (9, 13729681), (21, 5884149), (63, 1961383), (911, 135639), (2153, 57393), (2733, 45213), (6377, 19377), (6459, 19131), (8199, 15071)]