12742209

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 19219200

約数和(自身を除く): 6476991

約数列:

[1, 3, 9, 31, 93, 109, 279, 327, 419, 981, 1257, 3379, 3771, 10137, 12989, 30411, 38967, 45671, 116901, 137013, 411039, 1415801, 4247403, 12742209]

約数ペア:

[(1, 12742209), (3, 4247403), (9, 1415801), (31, 411039), (93, 137013), (109, 116901), (279, 45671), (327, 38967), (419, 30411), (981, 12989), (1257, 10137), (3379, 3771)]