80281593

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1427}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 142571520

約数和(自身を除く): 62289927

約数列:

[1, 3, 7, 9, 19, 21, 47, 57, 63, 133, 141, 171, 329, 399, 423, 893, 987, 1197, 1427, 2679, 2961, 4281, 6251, 8037, 9989, 12843, 18753, 27113, 29967, 56259, 67069, 81339, 89901, 189791, 201207, 244017, 469483, 569373, 603621, 1274311, 1408449, 1708119, 3822933, 4225347, 8920177, 11468799, 26760531, 80281593]

約数ペア:

[(1, 80281593), (3, 26760531), (7, 11468799), (9, 8920177), (19, 4225347), (21, 3822933), (47, 1708119), (57, 1408449), (63, 1274311), (133, 603621), (141, 569373), (171, 469483), (329, 244017), (399, 201207), (423, 189791), (893, 89901), (987, 81339), (1197, 67069), (1427, 56259), (2679, 29967), (2961, 27113), (4281, 18753), (6251, 12843), (8037, 9989)]