1388771487

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{248483}}^1$

素因数の和:248521

約数の個数: 24

約数和(自身を含む): 2170756224

約数和(自身を除く): 781984737

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 5589, 248483, 745449, 2236347, 5715109, 6709041, 17145327, 20127123, 51435981, 60381369, 154307943, 462923829, 1388771487]

約数ペア:

[(1, 1388771487), (3, 462923829), (9, 154307943), (23, 60381369), (27, 51435981), (69, 20127123), (81, 17145327), (207, 6709041), (243, 5715109), (621, 2236347), (1863, 745449), (5589, 248483)]