180640401

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{22921}}^1$

素因数の和:23032

約数の個数: 16

約数和(自身を含む): 250858368

約数和(自身を除く): 70217967

約数列:

[1, 3, 37, 71, 111, 213, 2627, 7881, 22921, 68763, 848077, 1627391, 2544231, 4882173, 60213467, 180640401]

約数ペア:

[(1, 180640401), (3, 60213467), (37, 4882173), (71, 2544231), (111, 1627391), (213, 848077), (2627, 68763), (7881, 22921)]