28486647

素因数分解:

$3^5\times 7^1\times {\mathrm{16747}}^1$

素因数の和:16769

約数の個数: 24

約数和(自身を含む): 48770176

約数和(自身を除く): 20283529

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 16747, 50241, 117229, 150723, 351687, 452169, 1055061, 1356507, 3165183, 4069521, 9495549, 28486647]

約数ペア:

[(1, 28486647), (3, 9495549), (7, 4069521), (9, 3165183), (21, 1356507), (27, 1055061), (63, 452169), (81, 351687), (189, 150723), (243, 117229), (567, 50241), (1701, 16747)]