28012311

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{6781}}^1$

素因数の和:6813

約数の個数: 24

約数和(自身を含む): 44435664

約数和(自身を除く): 16423353

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 6781, 20343, 61029, 115277, 183087, 345831, 549261, 1037493, 1647783, 3112479, 9337437, 28012311]

約数ペア:

[(1, 28012311), (3, 9337437), (9, 3112479), (17, 1647783), (27, 1037493), (51, 549261), (81, 345831), (153, 183087), (243, 115277), (459, 61029), (1377, 20343), (4131, 6781)]