25172955

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 45252480

約数和(自身を除く): 20079525

約数列:

[1, 3, 5, 9, 15, 45, 73, 79, 97, 219, 237, 291, 365, 395, 485, 657, 711, 873, 1095, 1185, 1455, 3285, 3555, 4365, 5767, 7081, 7663, 17301, 21243, 22989, 28835, 35405, 38315, 51903, 63729, 68967, 86505, 106215, 114945, 259515, 318645, 344835, 559399, 1678197, 2796995, 5034591, 8390985, 25172955]

約数ペア:

[(1, 25172955), (3, 8390985), (5, 5034591), (9, 2796995), (15, 1678197), (45, 559399), (73, 344835), (79, 318645), (97, 259515), (219, 114945), (237, 106215), (291, 86505), (365, 68967), (395, 63729), (485, 51903), (657, 38315), (711, 35405), (873, 28835), (1095, 22989), (1185, 21243), (1455, 17301), (3285, 7663), (3555, 7081), (4365, 5767)]