28717377

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23753}}^1$

素因数の和:23800

約数の個数: 16

約数和(自身を含む): 42567168

約数和(自身を除く): 13849791

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 23753, 71259, 308789, 736343, 926367, 2209029, 9572459, 28717377]

約数ペア:

[(1, 28717377), (3, 9572459), (13, 2209029), (31, 926367), (39, 736343), (93, 308789), (403, 71259), (1209, 23753)]