16981551

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 25159680

約数和(自身を除く): 8178129

約数列:

[1, 3, 9, 83, 127, 179, 249, 381, 537, 747, 1143, 1611, 10541, 14857, 22733, 31623, 44571, 68199, 94869, 133713, 204597, 1886839, 5660517, 16981551]

約数ペア:

[(1, 16981551), (3, 5660517), (9, 1886839), (83, 204597), (127, 133713), (179, 94869), (249, 68199), (381, 44571), (537, 31623), (747, 22733), (1143, 14857), (1611, 10541)]