77872557

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{28307}}^1$

素因数の和:28448

約数の個数: 16

約数和(自身を含む): 119572992

約数和(自身を除く): 41700435

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 28307, 84921, 198149, 594447, 3708217, 11124651, 25957519, 77872557]

約数ペア:

[(1, 77872557), (3, 25957519), (7, 11124651), (21, 3708217), (131, 594447), (393, 198149), (917, 84921), (2751, 28307)]