81307791

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{1151}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 120766464

約数和(自身を除く): 39458673

約数列:

[1, 3, 9, 47, 141, 167, 423, 501, 1151, 1503, 3453, 7849, 10359, 23547, 54097, 70641, 162291, 192217, 486873, 576651, 1729953, 9034199, 27102597, 81307791]

約数ペア:

[(1, 81307791), (3, 27102597), (9, 9034199), (47, 1729953), (141, 576651), (167, 486873), (423, 192217), (501, 162291), (1151, 70641), (1503, 54097), (3453, 23547), (7849, 10359)]