256230481923

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{243333791}}^1$

素因数の和:243333816

約数の個数: 20

約数和(自身を含む): 412207443648

約数和(自身を除く): 155976961725

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 243333791, 730001373, 2190004119, 3163339283, 6570012357, 9490017849, 19710037071, 28470053547, 85410160641, 256230481923]

約数ペア:

[(1, 256230481923), (3, 85410160641), (9, 28470053547), (13, 19710037071), (27, 9490017849), (39, 6570012357), (81, 3163339283), (117, 2190004119), (351, 730001373), (1053, 243333791)]