215269997

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1627}}^1$

素因数の和:1868

約数の個数: 16

約数和(自身を含む): 234666432

約数和(自身を除く): 19396435

約数列:

[1, 17, 43, 181, 731, 1627, 3077, 7783, 27659, 69961, 132311, 294487, 1189337, 5006279, 12662941, 215269997]

約数ペア:

[(1, 215269997), (17, 12662941), (43, 5006279), (181, 1189337), (731, 294487), (1627, 132311), (3077, 69961), (7783, 27659)]