26667387

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{4637}}^1$

素因数の和:4720

約数の個数: 20

約数和(自身を含む): 40406256

約数和(自身を除く): 13738869

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 4637, 5751, 13911, 41733, 125199, 329227, 375597, 987681, 2963043, 8889129, 26667387]

約数ペア:

[(1, 26667387), (3, 8889129), (9, 2963043), (27, 987681), (71, 375597), (81, 329227), (213, 125199), (639, 41733), (1917, 13911), (4637, 5751)]