520275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{991}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 984064

約数和(自身を除く): 463789

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 991, 2973, 4955, 6937, 14865, 20811, 24775, 34685, 74325, 104055, 173425, 520275]

約数ペア:

[(1, 520275), (3, 173425), (5, 104055), (7, 74325), (15, 34685), (21, 24775), (25, 20811), (35, 14865), (75, 6937), (105, 4955), (175, 2973), (525, 991)]