31398273

素因数分解:

$3^5\times {\mathrm{157}}^1\times {\mathrm{823}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 47389888

約数和(自身を除く): 15991615

約数列:

[1, 3, 9, 27, 81, 157, 243, 471, 823, 1413, 2469, 4239, 7407, 12717, 22221, 38151, 66663, 129211, 199989, 387633, 1162899, 3488697, 10466091, 31398273]

約数ペア:

[(1, 31398273), (3, 10466091), (9, 3488697), (27, 1162899), (81, 387633), (157, 199989), (243, 129211), (471, 66663), (823, 38151), (1413, 22221), (2469, 12717), (4239, 7407)]