1768221

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 3354624

約数和(自身を除く): 1586403

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 127, 153, 221, 273, 357, 381, 663, 819, 889, 1071, 1143, 1547, 1651, 1989, 2159, 2667, 4641, 4953, 6477, 8001, 11557, 13923, 14859, 15113, 19431, 28067, 34671, 45339, 84201, 104013, 136017, 196469, 252603, 589407, 1768221]

約数ペア:

[(1, 1768221), (3, 589407), (7, 252603), (9, 196469), (13, 136017), (17, 104013), (21, 84201), (39, 45339), (51, 34671), (63, 28067), (91, 19431), (117, 15113), (119, 14859), (127, 13923), (153, 11557), (221, 8001), (273, 6477), (357, 4953), (381, 4641), (663, 2667), (819, 2159), (889, 1989), (1071, 1651), (1143, 1547)]