128767569

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{211441}}^1$

素因数の和:211480

約数の個数: 16

約数和(自身を含む): 202984320

約数和(自身を除く): 74216751

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 211441, 634323, 1480087, 4440261, 6131789, 18395367, 42922523, 128767569]

約数ペア:

[(1, 128767569), (3, 42922523), (7, 18395367), (21, 6131789), (29, 4440261), (87, 1480087), (203, 634323), (609, 211441)]