2390985

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 4320000

約数和(自身を除く): 1929015

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 199, 267, 445, 597, 801, 995, 1335, 1791, 2403, 2985, 4005, 5373, 8955, 12015, 17711, 26865, 53133, 88555, 159399, 265665, 478197, 796995, 2390985]

約数ペア:

[(1, 2390985), (3, 796995), (5, 478197), (9, 265665), (15, 159399), (27, 88555), (45, 53133), (89, 26865), (135, 17711), (199, 12015), (267, 8955), (445, 5373), (597, 4005), (801, 2985), (995, 2403), (1335, 1791)]