81131065

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1\times {\mathrm{541}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 98925840

約数和(自身を除く): 17794775

約数列:

[1, 5, 89, 337, 445, 541, 1685, 2705, 29993, 48149, 149965, 182317, 240745, 911585, 16226213, 81131065]

約数ペア:

[(1, 81131065), (5, 16226213), (89, 911585), (337, 240745), (445, 182317), (541, 149965), (1685, 48149), (2705, 29993)]