20180156409

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7449301}}^1$

素因数の和:7449357

約数の個数: 24

約数和(自身を含む): 34088005952

約数和(自身を除く): 13907849543

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 7449301, 22347903, 52145107, 67043709, 156435321, 320319943, 469305963, 960959829, 2242239601, 2882879487, 6726718803, 20180156409]

約数ペア:

[(1, 20180156409), (3, 6726718803), (7, 2882879487), (9, 2242239601), (21, 960959829), (43, 469305963), (63, 320319943), (129, 156435321), (301, 67043709), (387, 52145107), (903, 22347903), (2709, 7449301)]