178972431

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{229}}^1\times {\mathrm{2153}}^1$

素因数の和:2407

約数の個数: 24

約数和(自身を含む): 263563440

約数和(自身を除く): 84591009

約数列:

[1, 3, 11, 33, 121, 229, 363, 687, 2153, 2519, 6459, 7557, 23683, 27709, 71049, 83127, 260513, 493037, 781539, 1479111, 5423407, 16270221, 59657477, 178972431]

約数ペア:

[(1, 178972431), (3, 59657477), (11, 16270221), (33, 5423407), (121, 1479111), (229, 781539), (363, 493037), (687, 260513), (2153, 83127), (2519, 71049), (6459, 27709), (7557, 23683)]