54180987

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 85742592

約数和(自身を除く): 31561605

約数列:

[1, 3, 7, 21, 37, 103, 111, 259, 309, 677, 721, 777, 2031, 2163, 3811, 4739, 11433, 14217, 25049, 26677, 69731, 75147, 80031, 175343, 209193, 488117, 526029, 1464351, 2580047, 7740141, 18060329, 54180987]

約数ペア:

[(1, 54180987), (3, 18060329), (7, 7740141), (21, 2580047), (37, 1464351), (103, 526029), (111, 488117), (259, 209193), (309, 175343), (677, 80031), (721, 75147), (777, 69731), (2031, 26677), (2163, 25049), (3811, 14217), (4739, 11433)]