921997647

素因数分解:

$3^8\times {\mathrm{140527}}^1$

素因数の和:140551

約数の個数: 18

約数和(自身を含む): 1382936048

約数和(自身を除く): 460938401

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6561, 140527, 421581, 1264743, 3794229, 11382687, 34148061, 102444183, 307332549, 921997647]

約数ペア:

[(1, 921997647), (3, 307332549), (9, 102444183), (27, 34148061), (81, 11382687), (243, 3794229), (729, 1264743), (2187, 421581), (6561, 140527)]