31489809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{5419}}^1$

素因数の和:5584

約数の個数: 16

約数和(自身を含む): 45528000

約数和(自身を除く): 14038191

約数列:

[1, 3, 13, 39, 149, 447, 1937, 5419, 5811, 16257, 70447, 211341, 807431, 2422293, 10496603, 31489809]

約数ペア:

[(1, 31489809), (3, 10496603), (13, 2422293), (39, 807431), (149, 211341), (447, 70447), (1937, 16257), (5419, 5811)]