131819967

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 56

約数和(自身を含む): 215452160

約数和(自身を除く): 83632193

約数列:

[1, 3, 9, 19, 27, 31, 57, 81, 93, 171, 243, 279, 307, 513, 589, 729, 837, 921, 1539, 1767, 2511, 2763, 4617, 5301, 5833, 7533, 8289, 9517, 13851, 15903, 17499, 22599, 24867, 28551, 47709, 52497, 74601, 85653, 143127, 157491, 180823, 223803, 256959, 429381, 472473, 542469, 770877, 1417419, 1627407, 2312631, 4252257, 4882221, 6937893, 14646663, 43939989, 131819967]

約数ペア:

[(1, 131819967), (3, 43939989), (9, 14646663), (19, 6937893), (27, 4882221), (31, 4252257), (57, 2312631), (81, 1627407), (93, 1417419), (171, 770877), (243, 542469), (279, 472473), (307, 429381), (513, 256959), (589, 223803), (729, 180823), (837, 157491), (921, 143127), (1539, 85653), (1767, 74601), (2511, 52497), (2763, 47709), (4617, 28551), (5301, 24867), (5833, 22599), (7533, 17499), (8289, 15903), (9517, 13851)]