2498445

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:247

約数の個数: 40

約数和(自身を含む): 4646400

約数和(自身を除く): 2147955

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 199, 279, 405, 465, 597, 837, 995, 1395, 1791, 2511, 2985, 4185, 5373, 6169, 8955, 12555, 16119, 18507, 26865, 30845, 55521, 80595, 92535, 166563, 277605, 499689, 832815, 2498445]

約数ペア:

[(1, 2498445), (3, 832815), (5, 499689), (9, 277605), (15, 166563), (27, 92535), (31, 80595), (45, 55521), (81, 30845), (93, 26865), (135, 18507), (155, 16119), (199, 12555), (279, 8955), (405, 6169), (465, 5373), (597, 4185), (837, 2985), (995, 2511), (1395, 1791)]