4005561

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10039}}^1$

素因数の和:10068

約数の個数: 16

約数和(自身を含む): 6425600

約数和(自身を除く): 2420039

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 10039, 30117, 70273, 190741, 210819, 572223, 1335187, 4005561]

約数ペア:

[(1, 4005561), (3, 1335187), (7, 572223), (19, 210819), (21, 190741), (57, 70273), (133, 30117), (399, 10039)]