20128740921

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{829}}^1$

素因数の和:1135

約数の個数: 64

約数和(自身を含む): 30818099200

約数和(自身を除く): 10689358279

約数列:

[1, 3, 9, 27, 73, 97, 127, 219, 291, 381, 657, 829, 873, 1143, 1971, 2487, 2619, 3429, 7081, 7461, 9271, 12319, 21243, 22383, 27813, 36957, 60517, 63729, 80413, 83439, 105283, 110871, 181551, 191187, 241239, 250317, 315849, 332613, 544653, 723717, 899287, 947547, 1633959, 2171151, 2697861, 2842641, 5870149, 7685659, 8093583, 10212451, 17610447, 23056977, 24280749, 30637353, 52831341, 69170931, 91912059, 158494023, 207512793, 275736177, 745508923, 2236526769, 6709580307, 20128740921]

約数ペア:

[(1, 20128740921), (3, 6709580307), (9, 2236526769), (27, 745508923), (73, 275736177), (97, 207512793), (127, 158494023), (219, 91912059), (291, 69170931), (381, 52831341), (657, 30637353), (829, 24280749), (873, 23056977), (1143, 17610447), (1971, 10212451), (2487, 8093583), (2619, 7685659), (3429, 5870149), (7081, 2842641), (7461, 2697861), (9271, 2171151), (12319, 1633959), (21243, 947547), (22383, 899287), (27813, 723717), (36957, 544653), (60517, 332613), (63729, 315849), (80413, 250317), (83439, 241239), (105283, 191187), (110871, 181551)]