16889751

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 25683840

約数和(自身を除く): 8794089

約数列:

[1, 3, 9, 23, 69, 139, 207, 417, 587, 1251, 1761, 3197, 5283, 9591, 13501, 28773, 40503, 81593, 121509, 244779, 734337, 1876639, 5629917, 16889751]

約数ペア:

[(1, 16889751), (3, 5629917), (9, 1876639), (23, 734337), (69, 244779), (139, 121509), (207, 81593), (417, 40503), (587, 28773), (1251, 13501), (1761, 9591), (3197, 5283)]