120865905

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 225054720

約数和(自身を除く): 104188815

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 47, 129, 135, 141, 215, 235, 387, 423, 443, 645, 705, 1161, 1269, 1329, 1935, 2021, 2115, 2215, 3987, 5805, 6063, 6345, 6645, 10105, 11961, 18189, 19049, 19935, 20821, 30315, 54567, 57147, 59805, 62463, 90945, 95245, 104105, 171441, 187389, 272835, 285735, 312315, 514323, 562167, 857205, 895303, 936945, 2571615, 2685909, 2810835, 4476515, 8057727, 13429545, 24173181, 40288635, 120865905]

約数ペア:

[(1, 120865905), (3, 40288635), (5, 24173181), (9, 13429545), (15, 8057727), (27, 4476515), (43, 2810835), (45, 2685909), (47, 2571615), (129, 936945), (135, 895303), (141, 857205), (215, 562167), (235, 514323), (387, 312315), (423, 285735), (443, 272835), (645, 187389), (705, 171441), (1161, 104105), (1269, 95245), (1329, 90945), (1935, 62463), (2021, 59805), (2115, 57147), (2215, 54567), (3987, 30315), (5805, 20821), (6063, 19935), (6345, 19049), (6645, 18189), (10105, 11961)]