219331007

素因数分解:

$7^3\times {\mathrm{163}}^1\times {\mathrm{3923}}^1$

素因数の和:4107

約数の個数: 16

約数和(自身を含む): 257414400

約数和(自身を除く): 38083393

約数列:

[1, 7, 49, 163, 343, 1141, 3923, 7987, 27461, 55909, 192227, 639449, 1345589, 4476143, 31333001, 219331007]

約数ペア:

[(1, 219331007), (7, 31333001), (49, 4476143), (163, 1345589), (343, 639449), (1141, 192227), (3923, 55909), (7987, 27461)]