201987459

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{57107}}^1$

素因数の和:57247

約数の個数: 16

約数和(自身を含む): 301530240

約数和(自身を除く): 99542781

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 57107, 171321, 513963, 1541889, 7481017, 22443051, 67329153, 201987459]

約数ペア:

[(1, 201987459), (3, 67329153), (9, 22443051), (27, 7481017), (131, 1541889), (393, 513963), (1179, 171321), (3537, 57107)]