68066721

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9257}}^1$

素因数の和:9325

約数の個数: 24

約数和(自身を含む): 105911520

約数和(自身を除く): 37844799

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 9257, 27771, 83313, 175883, 398051, 527649, 1194153, 1582947, 3582459, 7562969, 22688907, 68066721]

約数ペア:

[(1, 68066721), (3, 22688907), (9, 7562969), (19, 3582459), (43, 1582947), (57, 1194153), (129, 527649), (171, 398051), (387, 175883), (817, 83313), (2451, 27771), (7353, 9257)]