81688785

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1429}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 135632640

約数和(自身を除く): 53943855

約数列:

[1, 3, 5, 15, 37, 103, 111, 185, 309, 515, 555, 1429, 1545, 3811, 4287, 7145, 11433, 19055, 21435, 52873, 57165, 147187, 158619, 264365, 441561, 735935, 793095, 2207805, 5445919, 16337757, 27229595, 81688785]

約数ペア:

[(1, 81688785), (3, 27229595), (5, 16337757), (15, 5445919), (37, 2207805), (103, 793095), (111, 735935), (185, 441561), (309, 264365), (515, 158619), (555, 147187), (1429, 57165), (1545, 52873), (3811, 21435), (4287, 19055), (7145, 11433)]