81344913

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1013}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 122653440

約数和(自身を除く): 41308527

約数列:

[1, 3, 13, 29, 39, 71, 87, 213, 377, 923, 1013, 1131, 2059, 2769, 3039, 6177, 13169, 26767, 29377, 39507, 71923, 80301, 88131, 215769, 381901, 934999, 1145703, 2085767, 2804997, 6257301, 27114971, 81344913]

約数ペア:

[(1, 81344913), (3, 27114971), (13, 6257301), (29, 2804997), (39, 2085767), (71, 1145703), (87, 934999), (213, 381901), (377, 215769), (923, 88131), (1013, 80301), (1131, 71923), (2059, 39507), (2769, 29377), (3039, 26767), (6177, 13169)]