1867609143

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{165877}}^1$

素因数の和:166028

約数の個数: 20

約数和(自身を含む): 2809973320

約数和(自身を除く): 942364177

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 165877, 497631, 1492893, 4478679, 13436037, 23056903, 69170709, 207512127, 622536381, 1867609143]

約数ペア:

[(1, 1867609143), (3, 622536381), (9, 207512127), (27, 69170709), (81, 23056903), (139, 13436037), (417, 4478679), (1251, 1492893), (3753, 497631), (11259, 165877)]