81083465

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{4021}}^1$

素因数の和:4172

約数の個数: 16

約数和(自身を含む): 100871760

約数和(自身を除く): 19788295

約数列:

[1, 5, 37, 109, 185, 545, 4021, 4033, 20105, 20165, 148777, 438289, 743885, 2191445, 16216693, 81083465]

約数ペア:

[(1, 81083465), (5, 16216693), (37, 2191445), (109, 743885), (185, 438289), (545, 148777), (4021, 20165), (4033, 20105)]