42389487

素因数分解:

$3^4\times 7^1\times {\mathrm{74761}}^1$

素因数の和:74780

約数の個数: 20

約数和(自身を含む): 72369616

約数和(自身を除く): 29980129

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 74761, 224283, 523327, 672849, 1569981, 2018547, 4709943, 6055641, 14129829, 42389487]

約数ペア:

[(1, 42389487), (3, 14129829), (7, 6055641), (9, 4709943), (21, 2018547), (27, 1569981), (63, 672849), (81, 523327), (189, 224283), (567, 74761)]