1900397781

素因数分解:

$3^5\times {\mathrm{757}}^1\times {\mathrm{10331}}^1$

素因数の和:11103

約数の個数: 24

約数和(自身を含む): 2850722784

約数和(自身を除く): 950325003

約数列:

[1, 3, 9, 27, 81, 243, 757, 2271, 6813, 10331, 20439, 30993, 61317, 92979, 183951, 278937, 836811, 2510433, 7820567, 23461701, 70385103, 211155309, 633465927, 1900397781]

約数ペア:

[(1, 1900397781), (3, 633465927), (9, 211155309), (27, 70385103), (81, 23461701), (243, 7820567), (757, 2510433), (2271, 836811), (6813, 278937), (10331, 183951), (20439, 92979), (30993, 61317)]