24821979

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 18078501

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 217, 273, 403, 419, 637, 651, 1209, 1257, 1519, 1911, 2821, 2933, 4557, 5447, 8463, 8799, 12989, 16341, 19747, 20531, 38129, 38967, 59241, 61593, 90923, 114387, 168857, 266903, 272769, 506571, 636461, 800709, 1181999, 1909383, 3545997, 8273993, 24821979]

約数ペア:

[(1, 24821979), (3, 8273993), (7, 3545997), (13, 1909383), (21, 1181999), (31, 800709), (39, 636461), (49, 506571), (91, 272769), (93, 266903), (147, 168857), (217, 114387), (273, 90923), (403, 61593), (419, 59241), (637, 38967), (651, 38129), (1209, 20531), (1257, 19747), (1519, 16341), (1911, 12989), (2821, 8799), (2933, 8463), (4557, 5447)]