1275779817

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{838777}}^1$

素因数の和:838809

約数の個数: 18

約数和(自身を含む): 1995452862

約数和(自身を除く): 719673045

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 838777, 2516331, 7548993, 10904101, 32712303, 98136909, 141753313, 425259939, 1275779817]

約数ペア:

[(1, 1275779817), (3, 425259939), (9, 141753313), (13, 98136909), (39, 32712303), (117, 10904101), (169, 7548993), (507, 2516331), (1521, 838777)]