81434703

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2459}}^1$

素因数の和:2571

約数の個数: 32

約数和(自身を含む): 132249600

約数和(自身を除く): 50814897

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 249, 399, 581, 1577, 1743, 2459, 4731, 7377, 11039, 17213, 33117, 46721, 51639, 140163, 204097, 327047, 612291, 981141, 1428679, 3877843, 4286037, 11633529, 27144901, 81434703]

約数ペア:

[(1, 81434703), (3, 27144901), (7, 11633529), (19, 4286037), (21, 3877843), (57, 1428679), (83, 981141), (133, 612291), (249, 327047), (399, 204097), (581, 140163), (1577, 51639), (1743, 46721), (2459, 33117), (4731, 17213), (7377, 11039)]