28543641

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{12703}}^1$

素因数の和:12820

約数の個数: 16

約数和(自身を含む): 43905024

約数和(自身を除く): 15361383

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 12703, 38109, 88921, 266763, 1359221, 4077663, 9514547, 28543641]

約数ペア:

[(1, 28543641), (3, 9514547), (7, 4077663), (21, 1359221), (107, 266763), (321, 88921), (749, 38109), (2247, 12703)]