64994319

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{61723}}^1$

素因数の和:61748

約数の個数: 20

約数和(自身を含む): 104560456

約数和(自身を除く): 39566137

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 61723, 185169, 555507, 802399, 1666521, 2407197, 4999563, 7221591, 21664773, 64994319]

約数ペア:

[(1, 64994319), (3, 21664773), (9, 7221591), (13, 4999563), (27, 2407197), (39, 1666521), (81, 802399), (117, 555507), (351, 185169), (1053, 61723)]