136880121

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{138683}}^1$

素因数の和:138740

約数の個数: 16

約数和(自身を含む): 213018624

約数和(自身を除く): 76138503

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 138683, 416049, 970781, 2912343, 6518101, 19554303, 45626707, 136880121]

約数ペア:

[(1, 136880121), (3, 45626707), (7, 19554303), (21, 6518101), (47, 2912343), (141, 970781), (329, 416049), (987, 138683)]