2012295987

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{80747}}^1$

素因数の和:80840

約数の個数: 32

約数和(自身を含む): 3255759360

約数和(自身を除く): 1243463373

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 923, 1917, 2769, 8307, 24921, 80747, 242241, 726723, 1049711, 2180169, 3149133, 5733037, 9447399, 17199111, 28342197, 51597333, 74529481, 154791999, 223588443, 670765329, 2012295987]

約数ペア:

[(1, 2012295987), (3, 670765329), (9, 223588443), (13, 154791999), (27, 74529481), (39, 51597333), (71, 28342197), (117, 17199111), (213, 9447399), (351, 5733037), (639, 3149133), (923, 2180169), (1917, 1049711), (2769, 726723), (8307, 242241), (24921, 80747)]