1720238025609

素因数分解:

$3^4\times {\mathrm{2909}}^1\times {\mathrm{7300621}}^1$

素因数の和:7303542

約数の個数: 20

約数和(自身を含む): 2570622012420

約数和(自身を除く): 850383986811

約数列:

[1, 3, 9, 27, 81, 2909, 8727, 26181, 78543, 235629, 7300621, 21901863, 65705589, 197116767, 591350301, 21237506489, 63712519467, 191137558401, 573412675203, 1720238025609]

約数ペア:

[(1, 1720238025609), (3, 573412675203), (9, 191137558401), (27, 63712519467), (81, 21237506489), (2909, 591350301), (8727, 197116767), (26181, 65705589), (78543, 21901863), (235629, 7300621)]