78247239

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 122411520

約数和(自身を除く): 44164281

約数列:

[1, 3, 7, 21, 53, 159, 229, 307, 371, 687, 921, 1113, 1603, 2149, 4809, 6447, 12137, 16271, 36411, 48813, 70303, 84959, 113897, 210909, 254877, 341691, 492121, 1476363, 3726059, 11178177, 26082413, 78247239]

約数ペア:

[(1, 78247239), (3, 26082413), (7, 11178177), (21, 3726059), (53, 1476363), (159, 492121), (229, 341691), (307, 254877), (371, 210909), (687, 113897), (921, 84959), (1113, 70303), (1603, 48813), (2149, 36411), (4809, 16271), (6447, 12137)]