31798809

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3853}}^1$

素因数の和:3997

約数の個数: 24

約数和(自身を含む): 52907712

約数和(自身を除く): 21108903

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 3853, 8253, 11559, 26971, 34677, 80913, 242739, 504743, 1514229, 3533201, 4542687, 10599603, 31798809]

約数ペア:

[(1, 31798809), (3, 10599603), (7, 4542687), (9, 3533201), (21, 1514229), (63, 504743), (131, 242739), (393, 80913), (917, 34677), (1179, 26971), (2751, 11559), (3853, 8253)]