78608271

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 122411520

約数和(自身を除く): 43803249

約数列:

[1, 3, 7, 21, 89, 137, 267, 307, 411, 623, 921, 959, 1869, 2149, 2877, 6447, 12193, 27323, 36579, 42059, 81969, 85351, 126177, 191261, 256053, 294413, 573783, 883239, 3743251, 11229753, 26202757, 78608271]

約数ペア:

[(1, 78608271), (3, 26202757), (7, 11229753), (21, 3743251), (89, 883239), (137, 573783), (267, 294413), (307, 256053), (411, 191261), (623, 126177), (921, 85351), (959, 81969), (1869, 42059), (2149, 36579), (2877, 27323), (6447, 12193)]