64869417

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{5101}}^1$

素因数の和:5270

約数の個数: 20

約数和(自身を含む): 97540036

約数和(自身を除く): 32670619

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 5101, 12717, 15303, 45909, 137727, 413181, 800857, 2402571, 7207713, 21623139, 64869417]

約数ペア:

[(1, 64869417), (3, 21623139), (9, 7207713), (27, 2402571), (81, 800857), (157, 413181), (471, 137727), (1413, 45909), (4239, 15303), (5101, 12717)]