68839869

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4663}}^1$

素因数の和:4729

約数の個数: 32

約数和(自身を含む): 113428480

約数和(自身を除く): 44588611

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4663, 4921, 13989, 14763, 32641, 88597, 97923, 172531, 265791, 517593, 620179, 1207717, 1860537, 3278089, 3623151, 9834267, 22946623, 68839869]

約数ペア:

[(1, 68839869), (3, 22946623), (7, 9834267), (19, 3623151), (21, 3278089), (37, 1860537), (57, 1207717), (111, 620179), (133, 517593), (259, 265791), (399, 172531), (703, 97923), (777, 88597), (2109, 32641), (4663, 14763), (4921, 13989)]