872156747

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{353}}^1\times {\mathrm{2917}}^1$

素因数の和:3299

約数の個数: 24

約数和(自身を含む): 1099082208

約数和(自身を除く): 226925461

約数列:

[1, 7, 11, 77, 121, 353, 847, 2471, 2917, 3883, 20419, 27181, 32087, 42713, 224609, 298991, 352957, 1029701, 2470699, 7207907, 11326711, 79286977, 124593821, 872156747]

約数ペア:

[(1, 872156747), (7, 124593821), (11, 79286977), (77, 11326711), (121, 7207907), (353, 2470699), (847, 1029701), (2471, 352957), (2917, 298991), (3883, 224609), (20419, 42713), (27181, 32087)]