28657965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{272933}}^1$

素因数の和:272948

約数の個数: 16

約数和(自身を含む): 52403328

約数和(自身を除く): 23745363

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 272933, 818799, 1364665, 1910531, 4093995, 5731593, 9552655, 28657965]

約数ペア:

[(1, 28657965), (3, 9552655), (5, 5731593), (7, 4093995), (15, 1910531), (21, 1364665), (35, 818799), (105, 272933)]