81698043

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29251}}^1$

素因数の和:29287

約数の個数: 24

約数和(自身を含む): 133389120

約数和(自身を除く): 51691077

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 29251, 87753, 204757, 555769, 614271, 1433299, 1667307, 3890383, 4299897, 11671149, 27232681, 81698043]

約数ペア:

[(1, 81698043), (3, 27232681), (7, 11671149), (19, 4299897), (21, 3890383), (49, 1667307), (57, 1433299), (133, 614271), (147, 555769), (399, 204757), (931, 87753), (2793, 29251)]