16978209

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{1021}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 23743104

約数和(自身を除く): 6764895

約数列:

[1, 3, 23, 69, 241, 723, 1021, 3063, 5543, 16629, 23483, 70449, 246061, 738183, 5659403, 16978209]

約数ペア:

[(1, 16978209), (3, 5659403), (23, 738183), (69, 246061), (241, 70449), (723, 23483), (1021, 16629), (3063, 5543)]