81723837

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{359}}^1\times {\mathrm{449}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 118584000

約数和(自身を除く): 36860163

約数列:

[1, 3, 13, 39, 169, 359, 449, 507, 1077, 1347, 4667, 5837, 14001, 17511, 60671, 75881, 161191, 182013, 227643, 483573, 2095483, 6286449, 27241279, 81723837]

約数ペア:

[(1, 81723837), (3, 27241279), (13, 6286449), (39, 2095483), (169, 483573), (359, 227643), (449, 182013), (507, 161191), (1077, 75881), (1347, 60671), (4667, 17511), (5837, 14001)]