858870021

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1\times {\mathrm{16561}}^1$

素因数の和:16916

約数の個数: 16

約数和(自身を含む): 1168614720

約数和(自身を除く): 309744699

約数列:

[1, 3, 59, 177, 293, 879, 16561, 17287, 49683, 51861, 977099, 2931297, 4852373, 14557119, 286290007, 858870021]

約数ペア:

[(1, 858870021), (3, 286290007), (59, 14557119), (177, 4852373), (293, 2931297), (879, 977099), (16561, 51861), (17287, 49683)]