72721215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{230861}}^1$

素因数の和:230879

約数の個数: 24

約数和(自身を含む): 144057888

約数和(自身を除く): 71336673

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 230861, 692583, 1154305, 1616027, 2077749, 3462915, 4848081, 8080135, 10388745, 14544243, 24240405, 72721215]

約数ペア:

[(1, 72721215), (3, 24240405), (5, 14544243), (7, 10388745), (9, 8080135), (15, 4848081), (21, 3462915), (35, 2077749), (45, 1616027), (63, 1154305), (105, 692583), (315, 230861)]