71572125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 128494080

約数和(自身を除く): 56921955

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 103, 109, 125, 255, 309, 327, 375, 425, 515, 545, 1275, 1545, 1635, 1751, 1853, 2125, 2575, 2725, 5253, 5559, 6375, 7725, 8175, 8755, 9265, 11227, 12875, 13625, 26265, 27795, 33681, 38625, 40875, 43775, 46325, 56135, 131325, 138975, 168405, 190859, 218875, 231625, 280675, 572577, 656625, 694875, 842025, 954295, 1403375, 2862885, 4210125, 4771475, 14314425, 23857375, 71572125]

約数ペア:

[(1, 71572125), (3, 23857375), (5, 14314425), (15, 4771475), (17, 4210125), (25, 2862885), (51, 1403375), (75, 954295), (85, 842025), (103, 694875), (109, 656625), (125, 572577), (255, 280675), (309, 231625), (327, 218875), (375, 190859), (425, 168405), (515, 138975), (545, 131325), (1275, 56135), (1545, 46325), (1635, 43775), (1751, 40875), (1853, 38625), (2125, 33681), (2575, 27795), (2725, 26265), (5253, 13625), (5559, 12875), (6375, 11227), (7725, 9265), (8175, 8755)]