279968997

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{173141}}^1$

素因数の和:173169

約数の個数: 24

約数和(自身を含む): 473716512

約数和(自身を除く): 193747515

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 173141, 519423, 1211987, 1904551, 3635961, 5713653, 8483909, 13331857, 25451727, 39995571, 93322999, 279968997]

約数ペア:

[(1, 279968997), (3, 93322999), (7, 39995571), (11, 25451727), (21, 13331857), (33, 8483909), (49, 5713653), (77, 3635961), (147, 1904551), (231, 1211987), (539, 519423), (1617, 173141)]