19697607

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4217}}^1$

素因数の和:4399

約数の個数: 16

約数和(自身を含む): 29357280

約数和(自身を除く): 9659673

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4217, 4671, 12651, 37953, 113859, 729541, 2188623, 6565869, 19697607]

約数ペア:

[(1, 19697607), (3, 6565869), (9, 2188623), (27, 729541), (173, 113859), (519, 37953), (1557, 12651), (4217, 4671)]