1531137881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{2731}}^1$

素因数の和:2913

約数の個数: 32

約数和(自身を含む): 1935042816

約数和(自身を除く): 403904935

約数列:

[1, 7, 13, 61, 91, 101, 427, 707, 793, 1313, 2731, 5551, 6161, 9191, 19117, 35503, 43127, 80093, 166591, 248521, 275831, 560651, 1166137, 1930817, 2165683, 3585803, 15159781, 16825691, 25100621, 117779837, 218733983, 1531137881]

約数ペア:

[(1, 1531137881), (7, 218733983), (13, 117779837), (61, 25100621), (91, 16825691), (101, 15159781), (427, 3585803), (707, 2165683), (793, 1930817), (1313, 1166137), (2731, 560651), (5551, 275831), (6161, 248521), (9191, 166591), (19117, 80093), (35503, 43127)]