81501255

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:869

約数の個数: 64

約数和(自身を含む): 160496640

約数和(自身を除く): 78995385

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 71, 99, 135, 165, 213, 297, 355, 495, 639, 773, 781, 1065, 1485, 1917, 2319, 2343, 3195, 3865, 3905, 6957, 7029, 8503, 9585, 11595, 11715, 20871, 21087, 25509, 34785, 35145, 42515, 54883, 76527, 104355, 105435, 127545, 164649, 229581, 274415, 382635, 493947, 603713, 823245, 1147905, 1481841, 1811139, 2469735, 3018565, 5433417, 7409205, 9055695, 16300251, 27167085, 81501255]

約数ペア:

[(1, 81501255), (3, 27167085), (5, 16300251), (9, 9055695), (11, 7409205), (15, 5433417), (27, 3018565), (33, 2469735), (45, 1811139), (55, 1481841), (71, 1147905), (99, 823245), (135, 603713), (165, 493947), (213, 382635), (297, 274415), (355, 229581), (495, 164649), (639, 127545), (773, 105435), (781, 104355), (1065, 76527), (1485, 54883), (1917, 42515), (2319, 35145), (2343, 34785), (3195, 25509), (3865, 21087), (3905, 20871), (6957, 11715), (7029, 11595), (8503, 9585)]