28139283

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 41698800

約数和(自身を除く): 13559517

約数列:

[1, 3, 9, 59, 177, 197, 269, 531, 591, 807, 1773, 2421, 11623, 15871, 34869, 47613, 52993, 104607, 142839, 158979, 476937, 3126587, 9379761, 28139283]

約数ペア:

[(1, 28139283), (3, 9379761), (9, 3126587), (59, 476937), (177, 158979), (197, 142839), (269, 104607), (531, 52993), (591, 47613), (807, 34869), (1773, 15871), (2421, 11623)]