213658125

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{6703}}^1$

素因数の和:6743

約数の個数: 40

約数和(自身を含む): 376979328

約数和(自身を除く): 163321203

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 625, 1275, 1875, 2125, 6375, 6703, 10625, 20109, 31875, 33515, 100545, 113951, 167575, 341853, 502725, 569755, 837875, 1709265, 2513625, 2848775, 4189375, 8546325, 12568125, 14243875, 42731625, 71219375, 213658125]

約数ペア:

[(1, 213658125), (3, 71219375), (5, 42731625), (15, 14243875), (17, 12568125), (25, 8546325), (51, 4189375), (75, 2848775), (85, 2513625), (125, 1709265), (255, 837875), (375, 569755), (425, 502725), (625, 341853), (1275, 167575), (1875, 113951), (2125, 100545), (6375, 33515), (6703, 31875), (10625, 20109)]