11813121

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 40

約数和(自身を含む): 18817920

約数和(自身を除く): 7004799

約数列:

[1, 3, 9, 27, 29, 47, 81, 87, 107, 141, 261, 321, 423, 783, 963, 1269, 1363, 2349, 2889, 3103, 3807, 4089, 5029, 8667, 9309, 12267, 15087, 27927, 36801, 45261, 83781, 110403, 135783, 145841, 251343, 407349, 437523, 1312569, 3937707, 11813121]

約数ペア:

[(1, 11813121), (3, 3937707), (9, 1312569), (27, 437523), (29, 407349), (47, 251343), (81, 145841), (87, 135783), (107, 110403), (141, 83781), (261, 45261), (321, 36801), (423, 27927), (783, 15087), (963, 12267), (1269, 9309), (1363, 8667), (2349, 5029), (2889, 4089), (3103, 3807)]