2017207881

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{70951}}^1$

素因数の和:70985

約数の個数: 32

約数和(自身を含む): 3258115840

約数和(自身を除く): 1240907959

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2187, 3159, 9477, 28431, 70951, 212853, 638559, 922363, 1915677, 2767089, 5747031, 8301267, 17241093, 24903801, 51723279, 74711403, 155169837, 224134209, 672402627, 2017207881]

約数ペア:

[(1, 2017207881), (3, 672402627), (9, 224134209), (13, 155169837), (27, 74711403), (39, 51723279), (81, 24903801), (117, 17241093), (243, 8301267), (351, 5747031), (729, 2767089), (1053, 1915677), (2187, 922363), (3159, 638559), (9477, 212853), (28431, 70951)]