8320905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 15584400

約数和(自身を除く): 7263495

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 73, 85, 149, 153, 219, 255, 365, 447, 657, 745, 765, 1095, 1241, 1341, 2235, 2533, 3285, 3723, 6205, 6705, 7599, 10877, 11169, 12665, 18615, 22797, 32631, 37995, 54385, 55845, 97893, 113985, 163155, 184909, 489465, 554727, 924545, 1664181, 2773635, 8320905]

約数ペア:

[(1, 8320905), (3, 2773635), (5, 1664181), (9, 924545), (15, 554727), (17, 489465), (45, 184909), (51, 163155), (73, 113985), (85, 97893), (149, 55845), (153, 54385), (219, 37995), (255, 32631), (365, 22797), (447, 18615), (657, 12665), (745, 11169), (765, 10877), (1095, 7599), (1241, 6705), (1341, 6205), (2235, 3723), (2533, 3285)]