280022913

素因数分解:

$3^4\times {\mathrm{691}}^1\times {\mathrm{5003}}^1$

素因数の和:5706

約数の個数: 20

約数和(自身を含む): 418994928

約数和(自身を除く): 138972015

約数列:

[1, 3, 9, 27, 81, 691, 2073, 5003, 6219, 15009, 18657, 45027, 55971, 135081, 405243, 3457073, 10371219, 31113657, 93340971, 280022913]

約数ペア:

[(1, 280022913), (3, 93340971), (9, 31113657), (27, 10371219), (81, 3457073), (691, 405243), (2073, 135081), (5003, 55971), (6219, 45027), (15009, 18657)]