81929729

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{16649}}^1$

素因数の和:16712

約数の個数: 16

約数和(自身を含む): 101232000

約数和(自身を除く): 19302271

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 16649, 116543, 316331, 616013, 2214317, 4312091, 11704247, 81929729]

約数ペア:

[(1, 81929729), (7, 11704247), (19, 4312091), (37, 2214317), (133, 616013), (259, 316331), (703, 116543), (4921, 16649)]