1291237479

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1\times {\mathrm{1117}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 2176611840

約数和(自身を除く): 885374361

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 311, 413, 531, 933, 1117, 1239, 2177, 2799, 3351, 3717, 6531, 7819, 10053, 18349, 19593, 23457, 55047, 65903, 70371, 128443, 165141, 197709, 347387, 385329, 461321, 593127, 1042161, 1155987, 1383963, 2431709, 3126483, 4151889, 7295127, 20495833, 21885381, 61487499, 143470831, 184462497, 430412493, 1291237479]

約数ペア:

[(1, 1291237479), (3, 430412493), (7, 184462497), (9, 143470831), (21, 61487499), (59, 21885381), (63, 20495833), (177, 7295127), (311, 4151889), (413, 3126483), (531, 2431709), (933, 1383963), (1117, 1155987), (1239, 1042161), (2177, 593127), (2799, 461321), (3351, 385329), (3717, 347387), (6531, 197709), (7819, 165141), (10053, 128443), (18349, 70371), (19593, 65903), (23457, 55047)]