3996915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 6988800

約数和(自身を除く): 2991885

約数列:

[1, 3, 5, 13, 15, 39, 65, 103, 195, 199, 309, 515, 597, 995, 1339, 1545, 2587, 2985, 4017, 6695, 7761, 12935, 20085, 20497, 38805, 61491, 102485, 266461, 307455, 799383, 1332305, 3996915]

約数ペア:

[(1, 3996915), (3, 1332305), (5, 799383), (13, 307455), (15, 266461), (39, 102485), (65, 61491), (103, 38805), (195, 20497), (199, 20085), (309, 12935), (515, 7761), (597, 6695), (995, 4017), (1339, 2985), (1545, 2587)]