251491971

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1\times {\mathrm{4657}}^1$

素因数の和:5090

約数の個数: 16

約数和(自身を含む): 343425024

約数和(自身を除く): 91933053

約数列:

[1, 3, 47, 141, 383, 1149, 4657, 13971, 18001, 54003, 218879, 656637, 1783631, 5350893, 83830657, 251491971]

約数ペア:

[(1, 251491971), (3, 83830657), (47, 5350893), (141, 1783631), (383, 656637), (1149, 218879), (4657, 54003), (13971, 18001)]