208711041

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{18439}}^1$

素因数の和:18474

約数の個数: 32

約数和(自身を含む): 354048000

約数和(自身を除く): 145336959

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 539, 1029, 1617, 3773, 11319, 18439, 55317, 129073, 202829, 387219, 608487, 903511, 1419803, 2710533, 4259409, 6324577, 9938621, 18973731, 29815863, 69570347, 208711041]

約数ペア:

[(1, 208711041), (3, 69570347), (7, 29815863), (11, 18973731), (21, 9938621), (33, 6324577), (49, 4259409), (77, 2710533), (147, 1419803), (231, 903511), (343, 608487), (539, 387219), (1029, 202829), (1617, 129073), (3773, 55317), (11319, 18439)]