85403409

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1019}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 140743680

約数和(自身を除く): 55340271

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 307, 921, 1019, 2149, 3057, 3991, 6447, 7133, 11973, 13247, 21399, 27937, 39741, 83811, 92729, 278187, 312833, 938499, 2189831, 4066829, 6569493, 12200487, 28467803, 85403409]

約数ペア:

[(1, 85403409), (3, 28467803), (7, 12200487), (13, 6569493), (21, 4066829), (39, 2189831), (91, 938499), (273, 312833), (307, 278187), (921, 92729), (1019, 83811), (2149, 39741), (3057, 27937), (3991, 21399), (6447, 13247), (7133, 11973)]