1389976443

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{2393}}^1$

素因数の和:2577

約数の個数: 40

約数和(自身を含む): 2127365856

約数和(自身を除く): 737389413

約数列:

[1, 3, 9, 27, 71, 81, 101, 213, 303, 639, 909, 1917, 2393, 2727, 5751, 7171, 7179, 8181, 21513, 21537, 64539, 64611, 169903, 193617, 193833, 241693, 509709, 580851, 725079, 1529127, 2175237, 4587381, 6525711, 13762143, 17160203, 19577133, 51480609, 154441827, 463325481, 1389976443]

約数ペア:

[(1, 1389976443), (3, 463325481), (9, 154441827), (27, 51480609), (71, 19577133), (81, 17160203), (101, 13762143), (213, 6525711), (303, 4587381), (639, 2175237), (909, 1529127), (1917, 725079), (2393, 580851), (2727, 509709), (5751, 241693), (7171, 193833), (7179, 193617), (8181, 169903), (21513, 64611), (21537, 64539)]