257848929

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{95819}}^1$

素因数の和:95861

約数の個数: 24

約数和(自身を含む): 418541760

約数和(自身を除く): 160692831

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 95819, 287457, 862371, 1245647, 2203837, 3736941, 6611511, 11210823, 19834533, 28649881, 85949643, 257848929]

約数ペア:

[(1, 257848929), (3, 85949643), (9, 28649881), (13, 19834533), (23, 11210823), (39, 6611511), (69, 3736941), (117, 2203837), (207, 1245647), (299, 862371), (897, 287457), (2691, 95819)]