80742837

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{28909}}^1$

素因数の和:28945

約数の個数: 24

約数和(自身を含む): 131829600

約数和(自身を除く): 51086763

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 28909, 86727, 202363, 549271, 607089, 1416541, 1647813, 3844897, 4249623, 11534691, 26914279, 80742837]

約数ペア:

[(1, 80742837), (3, 26914279), (7, 11534691), (19, 4249623), (21, 3844897), (49, 1647813), (57, 1416541), (133, 607089), (147, 549271), (399, 202363), (931, 86727), (2793, 28909)]