22208121

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 37009920

約数和(自身を除く): 14801799

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 157, 169, 279, 351, 403, 471, 507, 837, 1209, 1413, 1521, 2041, 3627, 4239, 4563, 4867, 5239, 6123, 10881, 14601, 15717, 18369, 26533, 43803, 47151, 55107, 63271, 79599, 131409, 141453, 189813, 238797, 569439, 716391, 822523, 1708317, 2467569, 7402707, 22208121]

約数ペア:

[(1, 22208121), (3, 7402707), (9, 2467569), (13, 1708317), (27, 822523), (31, 716391), (39, 569439), (93, 238797), (117, 189813), (157, 141453), (169, 131409), (279, 79599), (351, 63271), (403, 55107), (471, 47151), (507, 43803), (837, 26533), (1209, 18369), (1413, 15717), (1521, 14601), (2041, 10881), (3627, 6123), (4239, 5239), (4563, 4867)]