81017601

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1283}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 128851968

約数和(自身を除く): 47834367

約数列:

[1, 3, 7, 21, 31, 93, 97, 217, 291, 651, 679, 1283, 2037, 3007, 3849, 8981, 9021, 21049, 26943, 39773, 63147, 119319, 124451, 278411, 373353, 835233, 871157, 2613471, 3857981, 11573943, 27005867, 81017601]

約数ペア:

[(1, 81017601), (3, 27005867), (7, 11573943), (21, 3857981), (31, 2613471), (93, 871157), (97, 835233), (217, 373353), (291, 278411), (651, 124451), (679, 119319), (1283, 63147), (2037, 39773), (3007, 26943), (3849, 21049), (8981, 9021)]