28045521

素因数分解:

$3^4\times 7^1\times {\mathrm{49463}}^1$

素因数の和:49482

約数の個数: 20

約数和(自身を含む): 47881152

約数和(自身を除く): 19835631

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 49463, 148389, 346241, 445167, 1038723, 1335501, 3116169, 4006503, 9348507, 28045521]

約数ペア:

[(1, 28045521), (3, 9348507), (7, 4006503), (9, 3116169), (21, 1335501), (27, 1038723), (63, 445167), (81, 346241), (189, 148389), (567, 49463)]