12977019

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6899}}^1$

素因数の和:6935

約数の個数: 24

約数和(自身を含む): 21528000

約数和(自身を除く): 8550981

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 6899, 20697, 62091, 75889, 131081, 227667, 393243, 683001, 1179729, 1441891, 4325673, 12977019]

約数ペア:

[(1, 12977019), (3, 4325673), (9, 1441891), (11, 1179729), (19, 683001), (33, 393243), (57, 227667), (99, 131081), (171, 75889), (209, 62091), (627, 20697), (1881, 6899)]