2688723

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 4193280

約数和(自身を除く): 1504557

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 419, 713, 1257, 2139, 3771, 6417, 9637, 12989, 28911, 38967, 86733, 116901, 298747, 896241, 2688723]

約数ペア:

[(1, 2688723), (3, 896241), (9, 298747), (23, 116901), (31, 86733), (69, 38967), (93, 28911), (207, 12989), (279, 9637), (419, 6417), (713, 3771), (1257, 2139)]