16160991

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 27506688

約数和(自身を除く): 11345697

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 1627, 3311, 4881, 9933, 11389, 17897, 34167, 53691, 69961, 125279, 209883, 375837, 489727, 769571, 1469181, 2308713, 5386997, 16160991]

約数ペア:

[(1, 16160991), (3, 5386997), (7, 2308713), (11, 1469181), (21, 769571), (33, 489727), (43, 375837), (77, 209883), (129, 125279), (231, 69961), (301, 53691), (473, 34167), (903, 17897), (1419, 11389), (1627, 9933), (3311, 4881)]