13638261

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49957}}^1$

素因数の和:49980

約数の個数: 16

約数和(自身を含む): 22381184

約数和(自身を除く): 8742923

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 49957, 149871, 349699, 649441, 1049097, 1948323, 4546087, 13638261]

約数ペア:

[(1, 13638261), (3, 4546087), (7, 1948323), (13, 1049097), (21, 649441), (39, 349699), (91, 149871), (273, 49957)]