804911661

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{24781}}^1$

素因数の和:25194

約数の個数: 20

約数和(自身を含む): 1205446044

約数和(自身を除く): 400534383

約数列:

[1, 3, 9, 27, 81, 401, 1203, 3609, 10827, 24781, 32481, 74343, 223029, 669087, 2007261, 9937181, 29811543, 89434629, 268303887, 804911661]

約数ペア:

[(1, 804911661), (3, 268303887), (9, 89434629), (27, 29811543), (81, 9937181), (401, 2007261), (1203, 669087), (3609, 223029), (10827, 74343), (24781, 32481)]