1891712259

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{1490711}}^1$

素因数の和:1490767

約数の個数: 16

約数和(自身を含む): 2862167040

約数和(自身を除く): 970454781

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 1490711, 4472133, 13416399, 40249197, 70063417, 210190251, 630570753, 1891712259]

約数ペア:

[(1, 1891712259), (3, 630570753), (9, 210190251), (27, 70063417), (47, 40249197), (141, 13416399), (423, 4472133), (1269, 1490711)]