28108641

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{23021}}^1$

素因数の和:23072

約数の個数: 16

約数和(自身を含む): 41992128

約数和(自身を除く): 13883487

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 23021, 69063, 253231, 759693, 851777, 2555331, 9369547, 28108641]

約数ペア:

[(1, 28108641), (3, 9369547), (11, 2555331), (33, 851777), (37, 759693), (111, 253231), (407, 69063), (1221, 23021)]