1387675419

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1789}}^1\times {\mathrm{19889}}^1$

素因数の和:21694

約数の個数: 16

約数和(自身を含む): 1993773600

約数和(自身を除く): 606098181

約数列:

[1, 3, 13, 39, 1789, 5367, 19889, 23257, 59667, 69771, 258557, 775671, 35581421, 106744263, 462558473, 1387675419]

約数ペア:

[(1, 1387675419), (3, 462558473), (13, 106744263), (39, 35581421), (1789, 775671), (5367, 258557), (19889, 69771), (23257, 59667)]