1821796353

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1730101}}^1$

素因数の和:1730126

約数の個数: 20

約数和(自身を含む): 2930792788

約数和(自身を除く): 1108996435

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1730101, 5190303, 15570909, 22491313, 46712727, 67473939, 140138181, 202421817, 607265451, 1821796353]

約数ペア:

[(1, 1821796353), (3, 607265451), (9, 202421817), (13, 140138181), (27, 67473939), (39, 46712727), (81, 22491313), (117, 15570909), (351, 5190303), (1053, 1730101)]