51777441

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 80352000

約数和(自身を除く): 28574559

約数列:

[1, 3, 9, 27, 29, 87, 89, 261, 267, 743, 783, 801, 2229, 2403, 2581, 6687, 7743, 20061, 21547, 23229, 64641, 66127, 69687, 193923, 198381, 581769, 595143, 1785429, 1917683, 5753049, 17259147, 51777441]

約数ペア:

[(1, 51777441), (3, 17259147), (9, 5753049), (27, 1917683), (29, 1785429), (87, 595143), (89, 581769), (261, 198381), (267, 193923), (743, 69687), (783, 66127), (801, 64641), (2229, 23229), (2403, 21547), (2581, 20061), (6687, 7743)]