81967197

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 127426560

約数和(自身を除く): 45459363

約数列:

[1, 3, 13, 19, 39, 57, 67, 127, 169, 201, 247, 381, 507, 741, 871, 1273, 1651, 2413, 2613, 3211, 3819, 4953, 7239, 8509, 9633, 11323, 16549, 21463, 25527, 31369, 33969, 49647, 64389, 94107, 110617, 161671, 215137, 331851, 407797, 485013, 645411, 1223391, 1438021, 2101723, 4314063, 6305169, 27322399, 81967197]

約数ペア:

[(1, 81967197), (3, 27322399), (13, 6305169), (19, 4314063), (39, 2101723), (57, 1438021), (67, 1223391), (127, 645411), (169, 485013), (201, 407797), (247, 331851), (381, 215137), (507, 161671), (741, 110617), (871, 94107), (1273, 64389), (1651, 49647), (2413, 33969), (2613, 31369), (3211, 25527), (3819, 21463), (4953, 16549), (7239, 11323), (8509, 9633)]