81965031

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 121405440

約数和(自身を除く): 39440409

約数列:

[1, 3, 19, 23, 57, 69, 103, 309, 437, 607, 1311, 1821, 1957, 2369, 5871, 7107, 11533, 13961, 34599, 41883, 45011, 62521, 135033, 187563, 265259, 795777, 1187899, 1437983, 3563697, 4313949, 27321677, 81965031]

約数ペア:

[(1, 81965031), (3, 27321677), (19, 4313949), (23, 3563697), (57, 1437983), (69, 1187899), (103, 795777), (309, 265259), (437, 187563), (607, 135033), (1311, 62521), (1821, 45011), (1957, 41883), (2369, 34599), (5871, 13961), (7107, 11533)]