64851375

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 115255296

約数和(自身を除く): 50403921

約数列:

[1, 3, 5, 15, 23, 25, 69, 73, 75, 103, 115, 125, 219, 309, 345, 365, 375, 515, 575, 1095, 1545, 1679, 1725, 1825, 2369, 2575, 2875, 5037, 5475, 7107, 7519, 7725, 8395, 8625, 9125, 11845, 12875, 22557, 25185, 27375, 35535, 37595, 38625, 41975, 59225, 112785, 125925, 172937, 177675, 187975, 209875, 296125, 518811, 563925, 629625, 864685, 888375, 939875, 2594055, 2819625, 4323425, 12970275, 21617125, 64851375]

約数ペア:

[(1, 64851375), (3, 21617125), (5, 12970275), (15, 4323425), (23, 2819625), (25, 2594055), (69, 939875), (73, 888375), (75, 864685), (103, 629625), (115, 563925), (125, 518811), (219, 296125), (309, 209875), (345, 187975), (365, 177675), (375, 172937), (515, 125925), (575, 112785), (1095, 59225), (1545, 41975), (1679, 38625), (1725, 37595), (1825, 35535), (2369, 27375), (2575, 25185), (2875, 22557), (5037, 12875), (5475, 11845), (7107, 9125), (7519, 8625), (7725, 8395)]