21358492047

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{27103}}^1$

素因数の和:27191

約数の個数: 56

約数和(自身を含む): 34127622144

約数和(自身を除く): 12769130097

約数列:

[1, 3, 9, 23, 27, 47, 69, 81, 141, 207, 243, 423, 621, 729, 1081, 1269, 1863, 3243, 3807, 5589, 9729, 11421, 16767, 27103, 29187, 34263, 81309, 87561, 243927, 262683, 623369, 731781, 788049, 1273841, 1870107, 2195343, 3821523, 5610321, 6586029, 11464569, 16830963, 19758087, 29298343, 34393707, 50492889, 87895029, 103181121, 151478667, 263685087, 309543363, 454436001, 791055261, 928630089, 2373165783, 7119497349, 21358492047]

約数ペア:

[(1, 21358492047), (3, 7119497349), (9, 2373165783), (23, 928630089), (27, 791055261), (47, 454436001), (69, 309543363), (81, 263685087), (141, 151478667), (207, 103181121), (243, 87895029), (423, 50492889), (621, 34393707), (729, 29298343), (1081, 19758087), (1269, 16830963), (1863, 11464569), (3243, 6586029), (3807, 5610321), (5589, 3821523), (9729, 2195343), (11421, 1870107), (16767, 1273841), (27103, 788049), (29187, 731781), (34263, 623369), (81309, 262683), (87561, 243927)]