81602703

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5861}}^1$

素因数の和:5904

約数の個数: 48

約数和(自身を含む): 153631296

約数和(自身を除く): 72028593

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 4641, 5861, 13923, 17583, 41027, 52749, 76193, 99637, 123081, 228579, 298911, 369243, 533351, 685737, 697459, 896733, 1295281, 1600053, 2092377, 3885843, 4800159, 6277131, 9066967, 11657529, 27200901, 81602703]

約数ペア:

[(1, 81602703), (3, 27200901), (7, 11657529), (9, 9066967), (13, 6277131), (17, 4800159), (21, 3885843), (39, 2092377), (51, 1600053), (63, 1295281), (91, 896733), (117, 697459), (119, 685737), (153, 533351), (221, 369243), (273, 298911), (357, 228579), (663, 123081), (819, 99637), (1071, 76193), (1547, 52749), (1989, 41027), (4641, 17583), (5861, 13923)]