15915977

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:114

約数の個数: 48

約数和(自身を含む): 22471680

約数和(自身を除く): 6555703

約数列:

[1, 7, 11, 19, 23, 43, 77, 121, 133, 161, 209, 253, 301, 437, 473, 817, 847, 989, 1463, 1771, 2299, 2783, 3059, 3311, 4807, 5203, 5719, 6923, 8987, 10879, 16093, 18791, 19481, 33649, 36421, 52877, 62909, 76153, 98857, 119669, 131537, 206701, 370139, 691999, 837683, 1446907, 2273711, 15915977]

約数ペア:

[(1, 15915977), (7, 2273711), (11, 1446907), (19, 837683), (23, 691999), (43, 370139), (77, 206701), (121, 131537), (133, 119669), (161, 98857), (209, 76153), (253, 62909), (301, 52877), (437, 36421), (473, 33649), (817, 19481), (847, 18791), (989, 16093), (1463, 10879), (1771, 8987), (2299, 6923), (2783, 5719), (3059, 5203), (3311, 4807)]