28423305

素因数分解:

$3^4\times 5^1\times {\mathrm{70181}}^1$

素因数の和:70198

約数の個数: 20

約数和(自身を含む): 50952132

約数和(自身を除く): 22528827

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70181, 210543, 350905, 631629, 1052715, 1894887, 3158145, 5684661, 9474435, 28423305]

約数ペア:

[(1, 28423305), (3, 9474435), (5, 5684661), (9, 3158145), (15, 1894887), (27, 1052715), (45, 631629), (81, 350905), (135, 210543), (405, 70181)]