149020557

素因数分解:

$3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{20333}}^1$

素因数の和:20692

約数の個数: 16

約数和(自身を含む): 227740800

約数和(自身を除く): 78720243

約数列:

[1, 3, 7, 21, 349, 1047, 2443, 7329, 20333, 60999, 142331, 426993, 7096217, 21288651, 49673519, 149020557]

約数ペア:

[(1, 149020557), (3, 49673519), (7, 21288651), (21, 7096217), (349, 426993), (1047, 142331), (2443, 60999), (7329, 20333)]