1387863

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 2179008

約数和(自身を除く): 791145

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 193, 423, 579, 799, 1737, 2397, 3281, 7191, 9071, 9843, 27213, 29529, 81639, 154207, 462621, 1387863]

約数ペア:

[(1, 1387863), (3, 462621), (9, 154207), (17, 81639), (47, 29529), (51, 27213), (141, 9843), (153, 9071), (193, 7191), (423, 3281), (579, 2397), (799, 1737)]