81190701

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1033}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 125072640

約数和(自身を除く): 43881939

約数列:

[1, 3, 9, 27, 41, 71, 123, 213, 369, 639, 1033, 1107, 1917, 2911, 3099, 8733, 9297, 26199, 27891, 42353, 73343, 78597, 127059, 220029, 381177, 660087, 1143531, 1980261, 3007063, 9021189, 27063567, 81190701]

約数ペア:

[(1, 81190701), (3, 27063567), (9, 9021189), (27, 3007063), (41, 1980261), (71, 1143531), (123, 660087), (213, 381177), (369, 220029), (639, 127059), (1033, 78597), (1107, 73343), (1917, 42353), (2911, 27891), (3099, 26199), (8733, 9297)]