42381549

素因数分解:

$3^4\times 7^1\times {\mathrm{74747}}^1$

素因数の和:74766

約数の個数: 20

約数和(自身を含む): 72356064

約数和(自身を除く): 29974515

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 74747, 224241, 523229, 672723, 1569687, 2018169, 4709061, 6054507, 14127183, 42381549]

約数ペア:

[(1, 42381549), (3, 14127183), (7, 6054507), (9, 4709061), (21, 2018169), (27, 1569687), (63, 672723), (81, 523229), (189, 224241), (567, 74747)]