28378065

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43997}}^1$

素因数の和:44048

約数の個数: 16

約数和(自身を含む): 46461888

約数和(自身を除く): 18083823

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 43997, 131991, 219985, 659955, 1891871, 5675613, 9459355, 28378065]

約数ペア:

[(1, 28378065), (3, 9459355), (5, 5675613), (15, 1891871), (43, 659955), (129, 219985), (215, 131991), (645, 43997)]