27171207

素因数分解:

$3^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 46824096

約数和(自身を除く): 19652889

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 173, 189, 277, 519, 567, 831, 1211, 1557, 1939, 2493, 3633, 4671, 5817, 7479, 10899, 14013, 17451, 22437, 32697, 47921, 52353, 98091, 143763, 157059, 335447, 431289, 1006341, 1293867, 3019023, 3881601, 9057069, 27171207]

約数ペア:

[(1, 27171207), (3, 9057069), (7, 3881601), (9, 3019023), (21, 1293867), (27, 1006341), (63, 431289), (81, 335447), (173, 157059), (189, 143763), (277, 98091), (519, 52353), (567, 47921), (831, 32697), (1211, 22437), (1557, 17451), (1939, 14013), (2493, 10899), (3633, 7479), (4671, 5817)]