28099467

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 60

約数和(自身を含む): 47892768

約数和(自身を除く): 19793301

約数列:

[1, 3, 9, 11, 27, 33, 47, 61, 81, 99, 121, 141, 183, 297, 363, 423, 517, 549, 671, 891, 1089, 1269, 1551, 1647, 2013, 2867, 3267, 3807, 4653, 4941, 5687, 6039, 7381, 8601, 9801, 13959, 17061, 18117, 22143, 25803, 31537, 41877, 51183, 54351, 66429, 77409, 94611, 153549, 199287, 232227, 283833, 346907, 460647, 597861, 851499, 1040721, 2554497, 3122163, 9366489, 28099467]

約数ペア:

[(1, 28099467), (3, 9366489), (9, 3122163), (11, 2554497), (27, 1040721), (33, 851499), (47, 597861), (61, 460647), (81, 346907), (99, 283833), (121, 232227), (141, 199287), (183, 153549), (297, 94611), (363, 77409), (423, 66429), (517, 54351), (549, 51183), (671, 41877), (891, 31537), (1089, 25803), (1269, 22143), (1551, 18117), (1647, 17061), (2013, 13959), (2867, 9801), (3267, 8601), (3807, 7381), (4653, 6039), (4941, 5687)]