51857145

素因数分解:

$3^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1367}}^1$

素因数の和:1662

約数の個数: 32

約数和(自身を含む): 92586240

約数和(自身を除く): 40729095

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 281, 843, 1367, 1405, 2529, 4101, 4215, 6835, 7587, 12303, 12645, 20505, 36909, 37935, 61515, 184545, 384127, 1152381, 1920635, 3457143, 5761905, 10371429, 17285715, 51857145]

約数ペア:

[(1, 51857145), (3, 17285715), (5, 10371429), (9, 5761905), (15, 3457143), (27, 1920635), (45, 1152381), (135, 384127), (281, 184545), (843, 61515), (1367, 37935), (1405, 36909), (2529, 20505), (4101, 12645), (4215, 12303), (6835, 7587)]