1220135715

素因数分解:

$3^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{20809}}^1$

素因数の和:22123

約数の個数: 24

約数和(自身を含む): 2116626720

約数和(自身を除く): 896491005

約数列:

[1, 3, 5, 9, 15, 45, 1303, 3909, 6515, 11727, 19545, 20809, 58635, 62427, 104045, 187281, 312135, 936405, 27114127, 81342381, 135570635, 244027143, 406711905, 1220135715]

約数ペア:

[(1, 1220135715), (3, 406711905), (5, 244027143), (9, 135570635), (15, 81342381), (45, 27114127), (1303, 936405), (3909, 312135), (6515, 187281), (11727, 104045), (19545, 62427), (20809, 58635)]