2149180857

素因数分解:

$3^4\times {\mathrm{6553}}^1\times {\mathrm{4049}}^1$

素因数の和:10614

約数の個数: 20

約数和(自身を含む): 3211787700

約数和(自身を除く): 1062606843

約数列:

[1, 3, 9, 27, 81, 4049, 6553, 12147, 19659, 36441, 58977, 109323, 176931, 327969, 530793, 26533097, 79599291, 238797873, 716393619, 2149180857]

約数ペア:

[(1, 2149180857), (3, 716393619), (9, 238797873), (27, 79599291), (81, 26533097), (4049, 530793), (6553, 327969), (12147, 176931), (19659, 109323), (36441, 58977)]