12217977

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 18271968

約数和(自身を除く): 6053991

約数列:

[1, 3, 9, 43, 129, 131, 241, 387, 393, 723, 1179, 2169, 5633, 10363, 16899, 31089, 31571, 50697, 93267, 94713, 284139, 1357553, 4072659, 12217977]

約数ペア:

[(1, 12217977), (3, 4072659), (9, 1357553), (43, 284139), (129, 94713), (131, 93267), (241, 50697), (387, 31571), (393, 31089), (723, 16899), (1179, 10363), (2169, 5633)]