68724369

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1987}}^1$

素因数の和:2067

約数の個数: 40

約数和(自身を含む): 119311808

約数和(自身を除く): 50587439

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 1281, 1647, 1987, 3843, 4941, 5961, 11529, 13909, 17883, 34587, 41727, 53649, 121207, 125181, 160947, 363621, 375543, 848449, 1090863, 1126629, 2545347, 3272589, 7636041, 9817767, 22908123, 68724369]

約数ペア:

[(1, 68724369), (3, 22908123), (7, 9817767), (9, 7636041), (21, 3272589), (27, 2545347), (61, 1126629), (63, 1090863), (81, 848449), (183, 375543), (189, 363621), (427, 160947), (549, 125181), (567, 121207), (1281, 53649), (1647, 41727), (1987, 34587), (3843, 17883), (4941, 13909), (5961, 11529)]