28789803

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 50780160

約数和(自身を除く): 21990357

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 141, 147, 189, 329, 423, 441, 463, 987, 1269, 1323, 1389, 2303, 2961, 3241, 4167, 6909, 8883, 9723, 12501, 20727, 21761, 22687, 29169, 62181, 65283, 68061, 87507, 152327, 195849, 204183, 456981, 587547, 612549, 1066289, 1370943, 3198867, 4112829, 9596601, 28789803]

約数ペア:

[(1, 28789803), (3, 9596601), (7, 4112829), (9, 3198867), (21, 1370943), (27, 1066289), (47, 612549), (49, 587547), (63, 456981), (141, 204183), (147, 195849), (189, 152327), (329, 87507), (423, 68061), (441, 65283), (463, 62181), (987, 29169), (1269, 22687), (1323, 21761), (1389, 20727), (2303, 12501), (2961, 9723), (3241, 8883), (4167, 6909)]