28389345

素因数分解:

$3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4517}}^1$

素因数の和:4944

約数の個数: 16

約数和(自身を含む): 45541440

約数和(自身を除く): 17152095

約数列:

[1, 3, 5, 15, 419, 1257, 2095, 4517, 6285, 13551, 22585, 67755, 1892623, 5677869, 9463115, 28389345]

約数ペア:

[(1, 28389345), (3, 9463115), (5, 5677869), (15, 1892623), (419, 67755), (1257, 22585), (2095, 13551), (4517, 6285)]