1212897

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 1940736

約数和(自身を除く): 727839

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 223, 259, 669, 777, 1561, 1813, 4683, 5439, 8251, 10927, 24753, 32781, 57757, 173271, 404299, 1212897]

約数ペア:

[(1, 1212897), (3, 404299), (7, 173271), (21, 57757), (37, 32781), (49, 24753), (111, 10927), (147, 8251), (223, 5439), (259, 4683), (669, 1813), (777, 1561)]