16747641

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{1039}}^1$

素因数の和:1250

約数の個数: 20

約数和(自身を含む): 25168000

約数和(自身を除く): 8420359

約数列:

[1, 3, 9, 27, 81, 199, 597, 1039, 1791, 3117, 5373, 9351, 16119, 28053, 84159, 206761, 620283, 1860849, 5582547, 16747641]

約数ペア:

[(1, 16747641), (3, 5582547), (9, 1860849), (27, 620283), (81, 206761), (199, 84159), (597, 28053), (1039, 16119), (1791, 9351), (3117, 5373)]