209723185

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{14033}}^1$

素因数の和:14113

約数の個数: 24

約数和(自身を含む): 297576936

約数和(自身を除く): 87853751

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 2135, 2989, 14033, 14945, 70165, 98231, 491155, 687617, 856013, 3438085, 4280065, 5992091, 29960455, 41944637, 209723185]

約数ペア:

[(1, 209723185), (5, 41944637), (7, 29960455), (35, 5992091), (49, 4280065), (61, 3438085), (245, 856013), (305, 687617), (427, 491155), (2135, 98231), (2989, 70165), (14033, 14945)]