40393647

素因数分解:

$3^5\times 7^1\times {\mathrm{23747}}^1$

素因数の和:23769

約数の個数: 24

約数和(自身を含む): 69154176

約数和(自身を除く): 28760529

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 23747, 71241, 166229, 213723, 498687, 641169, 1496061, 1923507, 4488183, 5770521, 13464549, 40393647]

約数ペア:

[(1, 40393647), (3, 13464549), (7, 5770521), (9, 4488183), (21, 1923507), (27, 1496061), (63, 641169), (81, 498687), (189, 213723), (243, 166229), (567, 71241), (1701, 23747)]