28508723721

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{390151}}^1$

素因数の和:390533

約数の個数: 24

約数和(自身を含む): 43091508096

約数和(自身を除く): 14582784375

約数列:

[1, 3, 9, 23, 69, 207, 353, 1059, 3177, 8119, 24357, 73071, 390151, 1170453, 3511359, 8973473, 26920419, 80761257, 137723303, 413169909, 1239509727, 3167635969, 9502907907, 28508723721]

約数ペア:

[(1, 28508723721), (3, 9502907907), (9, 3167635969), (23, 1239509727), (69, 413169909), (207, 137723303), (353, 80761257), (1059, 26920419), (3177, 8973473), (8119, 3511359), (24357, 1170453), (73071, 390151)]