27658975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 35890560

約数和(自身を除く): 8231585

約数列:

[1, 5, 25, 31, 89, 155, 401, 445, 775, 2005, 2225, 2759, 10025, 12431, 13795, 35689, 62155, 68975, 178445, 310775, 892225, 1106359, 5531795, 27658975]

約数ペア:

[(1, 27658975), (5, 5531795), (25, 1106359), (31, 892225), (89, 310775), (155, 178445), (401, 68975), (445, 62155), (775, 35689), (2005, 13795), (2225, 12431), (2759, 10025)]