678249945

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{35801}}^1$

素因数の和:36233

約数の個数: 24

約数和(自身を含む): 1178458632

約数和(自身を除く): 500208687

約数列:

[1, 3, 5, 9, 15, 45, 421, 1263, 2105, 3789, 6315, 18945, 35801, 107403, 179005, 322209, 537015, 1611045, 15072221, 45216663, 75361105, 135649989, 226083315, 678249945]

約数ペア:

[(1, 678249945), (3, 226083315), (5, 135649989), (9, 75361105), (15, 45216663), (45, 15072221), (421, 1611045), (1263, 537015), (2105, 322209), (3789, 179005), (6315, 107403), (18945, 35801)]