2680125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{1021}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 5101824

約数和(自身を除く): 2421699

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875, 1021, 2625, 3063, 5105, 7147, 15315, 21441, 25525, 35735, 76575, 107205, 127625, 178675, 382875, 536025, 893375, 2680125]

約数ペア:

[(1, 2680125), (3, 893375), (5, 536025), (7, 382875), (15, 178675), (21, 127625), (25, 107205), (35, 76575), (75, 35735), (105, 25525), (125, 21441), (175, 15315), (375, 7147), (525, 5105), (875, 3063), (1021, 2625)]