81660798

素因数分解:

$2^1\times 3^4\times {\mathrm{211}}^1\times {\mathrm{2389}}^1$

素因数の和:2614

約数の個数: 40

約数和(自身を含む): 183924840

約数和(自身を除く): 102264042

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 211, 422, 633, 1266, 1899, 2389, 3798, 4778, 5697, 7167, 11394, 14334, 17091, 21501, 34182, 43002, 64503, 129006, 193509, 387018, 504079, 1008158, 1512237, 3024474, 4536711, 9073422, 13610133, 27220266, 40830399, 81660798]

約数ペア:

[(1, 81660798), (2, 40830399), (3, 27220266), (6, 13610133), (9, 9073422), (18, 4536711), (27, 3024474), (54, 1512237), (81, 1008158), (162, 504079), (211, 387018), (422, 193509), (633, 129006), (1266, 64503), (1899, 43002), (2389, 34182), (3798, 21501), (4778, 17091), (5697, 14334), (7167, 11394)]