1581399

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 2424240

約数和(自身を除く): 842841

約数列:

[1, 3, 9, 29, 73, 83, 87, 219, 249, 261, 657, 747, 2117, 2407, 6059, 6351, 7221, 18177, 19053, 21663, 54531, 175711, 527133, 1581399]

約数ペア:

[(1, 1581399), (3, 527133), (9, 175711), (29, 54531), (73, 21663), (83, 19053), (87, 18177), (219, 7221), (249, 6351), (261, 6059), (657, 2407), (747, 2117)]