413866881

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{215893}}^1$

素因数の和:215973

約数の個数: 16

約数和(自身を含む): 621774720

約数和(自身を除く): 207907839

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 215893, 647679, 1943037, 5829111, 15328403, 45985209, 137955627, 413866881]

約数ペア:

[(1, 413866881), (3, 137955627), (9, 45985209), (27, 15328403), (71, 5829111), (213, 1943037), (639, 647679), (1917, 215893)]