64909509

素因数分解:

$3^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{3119}}^1$

素因数の和:4120

約数の個数: 16

約数和(自身を含む): 99041280

約数和(自身を除く): 34131771

約数列:

[1, 3, 7, 21, 991, 2973, 3119, 6937, 9357, 20811, 21833, 65499, 3090929, 9272787, 21636503, 64909509]

約数ペア:

[(1, 64909509), (3, 21636503), (7, 9272787), (21, 3090929), (991, 65499), (2973, 21833), (3119, 20811), (6937, 9357)]