211310463

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1171}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 347587072

約数和(自身を除く): 136276609

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 661, 1171, 1983, 3513, 4627, 8197, 8593, 13881, 15223, 24591, 25779, 45669, 60151, 106561, 180453, 319683, 774031, 2322093, 5418217, 10062403, 16254651, 30187209, 70436821, 211310463]

約数ペア:

[(1, 211310463), (3, 70436821), (7, 30187209), (13, 16254651), (21, 10062403), (39, 5418217), (91, 2322093), (273, 774031), (661, 319683), (1171, 180453), (1983, 106561), (3513, 60151), (4627, 45669), (8197, 25779), (8593, 24591), (13881, 15223)]