17702209

素因数分解:

$7^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 21851648

約数和(自身を除く): 4149439

約数列:

[1, 7, 29, 31, 97, 203, 217, 679, 841, 899, 2813, 3007, 5887, 6293, 19691, 21049, 26071, 81577, 87203, 182497, 571039, 610421, 2528887, 17702209]

約数ペア:

[(1, 17702209), (7, 2528887), (29, 610421), (31, 571039), (97, 182497), (203, 87203), (217, 81577), (679, 26071), (841, 21049), (899, 19691), (2813, 6293), (3007, 5887)]