647989059

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{30817}}^1$

素因数の和:31026

約数の個数: 16

約数和(自身を含む): 889530752

約数和(自身を除く): 241541693

約数列:

[1, 3, 43, 129, 163, 489, 7009, 21027, 30817, 92451, 1325131, 3975393, 5023171, 15069513, 215996353, 647989059]

約数ペア:

[(1, 647989059), (3, 215996353), (43, 15069513), (129, 5023171), (163, 3975393), (489, 1325131), (7009, 92451), (21027, 30817)]