8390985

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 13923840

約数和(自身を除く): 5532855

約数列:

[1, 3, 5, 15, 73, 79, 97, 219, 237, 291, 365, 395, 485, 1095, 1185, 1455, 5767, 7081, 7663, 17301, 21243, 22989, 28835, 35405, 38315, 86505, 106215, 114945, 559399, 1678197, 2796995, 8390985]

約数ペア:

[(1, 8390985), (3, 2796995), (5, 1678197), (15, 559399), (73, 114945), (79, 106215), (97, 86505), (219, 38315), (237, 35405), (291, 28835), (365, 22989), (395, 21243), (485, 17301), (1095, 7663), (1185, 7081), (1455, 5767)]