81529019

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 103676160

約数和(自身を除く): 22147141

約数列:

[1, 11, 13, 19, 37, 143, 209, 247, 407, 481, 703, 811, 2717, 5291, 7733, 8921, 9139, 10543, 15409, 30007, 100529, 115973, 169499, 200317, 330077, 390091, 570133, 2203487, 4291001, 6271463, 7411729, 81529019]

約数ペア:

[(1, 81529019), (11, 7411729), (13, 6271463), (19, 4291001), (37, 2203487), (143, 570133), (209, 390091), (247, 330077), (407, 200317), (481, 169499), (703, 115973), (811, 100529), (2717, 30007), (5291, 15409), (7733, 10543), (8921, 9139)]