128694447

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6247}}^1$

素因数の和:6372

約数の個数: 32

約数和(自身を含む): 219929600

約数和(自身を除く): 91235153

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 981, 2289, 2943, 6247, 6867, 18741, 20601, 43729, 56223, 131187, 168669, 393561, 680923, 1180683, 2042769, 4766461, 6128307, 14299383, 18384921, 42898149, 128694447]

約数ペア:

[(1, 128694447), (3, 42898149), (7, 18384921), (9, 14299383), (21, 6128307), (27, 4766461), (63, 2042769), (109, 1180683), (189, 680923), (327, 393561), (763, 168669), (981, 131187), (2289, 56223), (2943, 43729), (6247, 20601), (6867, 18741)]