189581391

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:453

約数の個数: 40

約数和(自身を含む): 290514224

約数和(自身を除く): 100932833

約数列:

[1, 3, 9, 27, 67, 81, 181, 193, 201, 543, 579, 603, 1629, 1737, 1809, 4887, 5211, 5427, 12127, 12931, 14661, 15633, 34933, 36381, 38793, 104799, 109143, 116379, 314397, 327429, 349137, 943191, 982287, 1047411, 2340511, 2829573, 7021533, 21064599, 63193797, 189581391]

約数ペア:

[(1, 189581391), (3, 63193797), (9, 21064599), (27, 7021533), (67, 2829573), (81, 2340511), (181, 1047411), (193, 982287), (201, 943191), (543, 349137), (579, 327429), (603, 314397), (1629, 116379), (1737, 109143), (1809, 104799), (4887, 38793), (5211, 36381), (5427, 34933), (12127, 15633), (12931, 14661)]