1996171857

素因数分解:

$3^6\times {\mathrm{907}}^1\times {\mathrm{3019}}^1$

素因数の和:3944

約数の個数: 28

約数和(自身を含む): 2997180880

約数和(自身を除く): 1001009023

約数列:

[1, 3, 9, 27, 81, 243, 729, 907, 2721, 3019, 8163, 9057, 24489, 27171, 73467, 81513, 220401, 244539, 661203, 733617, 2200851, 2738233, 8214699, 24644097, 73932291, 221796873, 665390619, 1996171857]

約数ペア:

[(1, 1996171857), (3, 665390619), (9, 221796873), (27, 73932291), (81, 24644097), (243, 8214699), (729, 2738233), (907, 2200851), (2721, 733617), (3019, 661203), (8163, 244539), (9057, 220401), (24489, 81513), (27171, 73467)]