76991229

素因数分解:

$3^4\times 7^1\times {\mathrm{135787}}^1$

素因数の和:135806

約数の個数: 20

約数和(自身を含む): 131442784

約数和(自身を除く): 54451555

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 135787, 407361, 950509, 1222083, 2851527, 3666249, 8554581, 10998747, 25663743, 76991229]

約数ペア:

[(1, 76991229), (3, 25663743), (7, 10998747), (9, 8554581), (21, 3666249), (27, 2851527), (63, 1222083), (81, 950509), (189, 407361), (567, 135787)]