81946485

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 155561472

約数和(自身を除く): 73614987

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 61, 81, 93, 107, 135, 155, 183, 279, 305, 321, 405, 465, 535, 549, 837, 915, 963, 1395, 1605, 1647, 1891, 2511, 2745, 2889, 3317, 4185, 4815, 4941, 5673, 6527, 8235, 8667, 9455, 9951, 12555, 14445, 16585, 17019, 19581, 24705, 28365, 29853, 32635, 43335, 49755, 51057, 58743, 85095, 89559, 97905, 149265, 153171, 176229, 202337, 255285, 268677, 293715, 447795, 528687, 607011, 765855, 881145, 1011685, 1343385, 1821033, 2643435, 3035055, 5463099, 9105165, 16389297, 27315495, 81946485]

約数ペア:

[(1, 81946485), (3, 27315495), (5, 16389297), (9, 9105165), (15, 5463099), (27, 3035055), (31, 2643435), (45, 1821033), (61, 1343385), (81, 1011685), (93, 881145), (107, 765855), (135, 607011), (155, 528687), (183, 447795), (279, 293715), (305, 268677), (321, 255285), (405, 202337), (465, 176229), (535, 153171), (549, 149265), (837, 97905), (915, 89559), (963, 85095), (1395, 58743), (1605, 51057), (1647, 49755), (1891, 43335), (2511, 32635), (2745, 29853), (2889, 28365), (3317, 24705), (4185, 19581), (4815, 17019), (4941, 16585), (5673, 14445), (6527, 12555), (8235, 9951), (8667, 9455)]