12781899

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1021}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 20088432

約数和(自身を除く): 7306533

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1021, 1391, 3063, 4173, 9189, 12519, 13273, 39819, 109247, 119457, 327741, 983223, 1420211, 4260633, 12781899]

約数ペア:

[(1, 12781899), (3, 4260633), (9, 1420211), (13, 983223), (39, 327741), (107, 119457), (117, 109247), (321, 39819), (963, 13273), (1021, 12519), (1391, 9189), (3063, 4173)]