84787245

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{809}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 156939120

約数和(自身を除く): 72151875

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 137, 153, 255, 411, 685, 765, 809, 1233, 2055, 2329, 2427, 4045, 6165, 6987, 7281, 11645, 12135, 13753, 20961, 34935, 36405, 41259, 68765, 104805, 110833, 123777, 206295, 332499, 554165, 618885, 997497, 1662495, 1884161, 4987485, 5652483, 9420805, 16957449, 28262415, 84787245]

約数ペア:

[(1, 84787245), (3, 28262415), (5, 16957449), (9, 9420805), (15, 5652483), (17, 4987485), (45, 1884161), (51, 1662495), (85, 997497), (137, 618885), (153, 554165), (255, 332499), (411, 206295), (685, 123777), (765, 110833), (809, 104805), (1233, 68765), (2055, 41259), (2329, 36405), (2427, 34935), (4045, 20961), (6165, 13753), (6987, 12135), (7281, 11645)]