261726849

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{2557}}^1$

素因数の和:2806

約数の個数: 32

約数和(自身を含む): 412554240

約数和(自身を除く): 150827391

約数列:

[1, 3, 9, 17, 27, 51, 153, 223, 459, 669, 2007, 2557, 3791, 6021, 7671, 11373, 23013, 34119, 43469, 69039, 102357, 130407, 391221, 570211, 1173663, 1710633, 5131899, 9693587, 15395697, 29080761, 87242283, 261726849]

約数ペア:

[(1, 261726849), (3, 87242283), (9, 29080761), (17, 15395697), (27, 9693587), (51, 5131899), (153, 1710633), (223, 1173663), (459, 570211), (669, 391221), (2007, 130407), (2557, 102357), (3791, 69039), (6021, 43469), (7671, 34119), (11373, 23013)]