208575585

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107791}}^1$

素因数の和:107845

約数の個数: 24

約数和(自身を含む): 369942144

約数和(自身を除く): 161366559

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 107791, 323373, 538955, 970119, 1616865, 4635013, 4850595, 13905039, 23175065, 41715117, 69525195, 208575585]

約数ペア:

[(1, 208575585), (3, 69525195), (5, 41715117), (9, 23175065), (15, 13905039), (43, 4850595), (45, 4635013), (129, 1616865), (215, 970119), (387, 538955), (645, 323373), (1935, 107791)]