17369721

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{4987}}^1$

素因数の和:5042

約数の個数: 20

約数和(自身を含む): 26556112

約数和(自身を除く): 9186391

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 4987, 14961, 44883, 134649, 214441, 403947, 643323, 1929969, 5789907, 17369721]

約数ペア:

[(1, 17369721), (3, 5789907), (9, 1929969), (27, 643323), (43, 403947), (81, 214441), (129, 134649), (387, 44883), (1161, 14961), (3483, 4987)]