8191875

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:297

約数の個数: 40

約数和(自身を含む): 14507856

約数和(自身を除く): 6315981

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 257, 375, 425, 625, 771, 1275, 1285, 1875, 2125, 3855, 4369, 6375, 6425, 10625, 13107, 19275, 21845, 31875, 32125, 65535, 96375, 109225, 160625, 327675, 481875, 546125, 1638375, 2730625, 8191875]

約数ペア:

[(1, 8191875), (3, 2730625), (5, 1638375), (15, 546125), (17, 481875), (25, 327675), (51, 160625), (75, 109225), (85, 96375), (125, 65535), (255, 32125), (257, 31875), (375, 21845), (425, 19275), (625, 13107), (771, 10625), (1275, 6425), (1285, 6375), (1875, 4369), (2125, 3855)]