688743

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{773}}^1$

素因数の和:796

約数の個数: 20

約数和(自身を含む): 1123848

約数和(自身を除く): 435105

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 773, 891, 2319, 6957, 8503, 20871, 25509, 62613, 76527, 229581, 688743]

約数ペア:

[(1, 688743), (3, 229581), (9, 76527), (11, 62613), (27, 25509), (33, 20871), (81, 8503), (99, 6957), (297, 2319), (773, 891)]