421593025

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{77713}}^1$

素因数の和:77761

約数の個数: 24

約数和(自身を含む): 616738304

約数和(自身を除く): 195145279

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 77713, 388565, 543991, 1942825, 2409103, 2719955, 12045515, 13599775, 16863721, 60227575, 84318605, 421593025]

約数ペア:

[(1, 421593025), (5, 84318605), (7, 60227575), (25, 16863721), (31, 13599775), (35, 12045515), (155, 2719955), (175, 2409103), (217, 1942825), (775, 543991), (1085, 388565), (5425, 77713)]