28792701

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 49690368

約数和(自身を除く): 20897667

約数列:

[1, 3, 7, 9, 21, 41, 63, 71, 123, 157, 213, 287, 369, 471, 497, 639, 861, 1099, 1413, 1491, 2583, 2911, 3297, 4473, 6437, 8733, 9891, 11147, 19311, 20377, 26199, 33441, 45059, 57933, 61131, 78029, 100323, 135177, 183393, 234087, 405531, 457027, 702261, 1371081, 3199189, 4113243, 9597567, 28792701]

約数ペア:

[(1, 28792701), (3, 9597567), (7, 4113243), (9, 3199189), (21, 1371081), (41, 702261), (63, 457027), (71, 405531), (123, 234087), (157, 183393), (213, 135177), (287, 100323), (369, 78029), (471, 61131), (497, 57933), (639, 45059), (861, 33441), (1099, 26199), (1413, 20377), (1491, 19311), (2583, 11147), (2911, 9891), (3297, 8733), (4473, 6437)]