393866925

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{37781}}^1$

素因数の和:37933

約数の個数: 24

約数和(自身を含む): 655895520

約数和(自身を除く): 262028595

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 2085, 3475, 10425, 37781, 113343, 188905, 566715, 944525, 2833575, 5251559, 15754677, 26257795, 78773385, 131288975, 393866925]

約数ペア:

[(1, 393866925), (3, 131288975), (5, 78773385), (15, 26257795), (25, 15754677), (75, 5251559), (139, 2833575), (417, 944525), (695, 566715), (2085, 188905), (3475, 113343), (10425, 37781)]