81256995

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1319}}^1$

素因数の和:1404

約数の個数: 36

約数和(自身を含む): 144864720

約数和(自身を除く): 63607725

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1319, 1369, 1665, 3957, 4107, 6595, 6845, 11871, 12321, 19785, 20535, 48803, 59355, 61605, 146409, 244015, 439227, 732045, 1805711, 2196135, 5417133, 9028555, 16251399, 27085665, 81256995]

約数ペア:

[(1, 81256995), (3, 27085665), (5, 16251399), (9, 9028555), (15, 5417133), (37, 2196135), (45, 1805711), (111, 732045), (185, 439227), (333, 244015), (555, 146409), (1319, 61605), (1369, 59355), (1665, 48803), (3957, 20535), (4107, 19785), (6595, 12321), (6845, 11871)]