13021521

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1607}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 18086784

約数和(自身を除く): 5065263

約数列:

[1, 3, 37, 73, 111, 219, 1607, 2701, 4821, 8103, 59459, 117311, 178377, 351933, 4340507, 13021521]

約数ペア:

[(1, 13021521), (3, 4340507), (37, 351933), (73, 178377), (111, 117311), (219, 59459), (1607, 8103), (2701, 4821)]