31127538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{399071}}^1$

素因数の和:399089

約数の個数: 16

約数和(自身を含む): 67044096

約数和(自身を除く): 35916558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 399071, 798142, 1197213, 2394426, 5187923, 10375846, 15563769, 31127538]

約数ペア:

[(1, 31127538), (2, 15563769), (3, 10375846), (6, 5187923), (13, 2394426), (26, 1197213), (39, 798142), (78, 399071)]