68157921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1559}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 104832000

約数和(自身を除く): 36674079

約数列:

[1, 3, 13, 19, 39, 57, 59, 177, 247, 741, 767, 1121, 1559, 2301, 3363, 4677, 14573, 20267, 29621, 43719, 60801, 88863, 91981, 275943, 385073, 1155219, 1195753, 1747639, 3587259, 5242917, 22719307, 68157921]

約数ペア:

[(1, 68157921), (3, 22719307), (13, 5242917), (19, 3587259), (39, 1747639), (57, 1195753), (59, 1155219), (177, 385073), (247, 275943), (741, 91981), (767, 88863), (1121, 60801), (1559, 43719), (2301, 29621), (3363, 20267), (4677, 14573)]