81128463

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 120657600

約数和(自身を除く): 39529137

約数列:

[1, 3, 13, 39, 41, 113, 123, 339, 449, 533, 1347, 1469, 1599, 4407, 4633, 5837, 13899, 17511, 18409, 50737, 55227, 60229, 152211, 180687, 239317, 659581, 717951, 1978743, 2080217, 6240651, 27042821, 81128463]

約数ペア:

[(1, 81128463), (3, 27042821), (13, 6240651), (39, 2080217), (41, 1978743), (113, 717951), (123, 659581), (339, 239317), (449, 180687), (533, 152211), (1347, 60229), (1469, 55227), (1599, 50737), (4407, 18409), (4633, 17511), (5837, 13899)]