280688649

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{7529}}^1$

素因数の和:7609

約数の個数: 24

約数和(自身を含む): 406860960

約数和(自身を除く): 126172311

約数列:

[1, 3, 17, 43, 51, 129, 289, 731, 867, 2193, 7529, 12427, 22587, 37281, 127993, 323747, 383979, 971241, 2175881, 5503699, 6527643, 16511097, 93562883, 280688649]

約数ペア:

[(1, 280688649), (3, 93562883), (17, 16511097), (43, 6527643), (51, 5503699), (129, 2175881), (289, 971241), (731, 383979), (867, 323747), (2193, 127993), (7529, 37281), (12427, 22587)]