157225551

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{394049}}^1$

素因数の和:394078

約数の個数: 16

約数和(自身を含む): 252192000

約数和(自身を除く): 94966449

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 394049, 1182147, 2758343, 7486931, 8275029, 22460793, 52408517, 157225551]

約数ペア:

[(1, 157225551), (3, 52408517), (7, 22460793), (19, 8275029), (21, 7486931), (57, 2758343), (133, 1182147), (399, 394049)]