13204863

素因数分解:

$3^5\times 7^2\times {\mathrm{1109}}^1$

素因数の和:1138

約数の個数: 36

約数和(自身を含む): 23030280

約数和(自身を除く): 9825417

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1109, 1323, 1701, 3327, 3969, 7763, 9981, 11907, 23289, 29943, 54341, 69867, 89829, 163023, 209601, 269487, 489069, 628803, 1467207, 1886409, 4401621, 13204863]

約数ペア:

[(1, 13204863), (3, 4401621), (7, 1886409), (9, 1467207), (21, 628803), (27, 489069), (49, 269487), (63, 209601), (81, 163023), (147, 89829), (189, 69867), (243, 54341), (441, 29943), (567, 23289), (1109, 11907), (1323, 9981), (1701, 7763), (3327, 3969)]