211151718

素因数分解:

$2^1\times 3^3\times {\mathrm{971}}^1\times {\mathrm{4027}}^1$

素因数の和:5009

約数の個数: 32

約数和(自身を含む): 469825920

約数和(自身を除く): 258674202

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 971, 1942, 2913, 4027, 5826, 8054, 8739, 12081, 17478, 24162, 26217, 36243, 52434, 72486, 108729, 217458, 3910217, 7820434, 11730651, 23461302, 35191953, 70383906, 105575859, 211151718]

約数ペア:

[(1, 211151718), (2, 105575859), (3, 70383906), (6, 35191953), (9, 23461302), (18, 11730651), (27, 7820434), (54, 3910217), (971, 217458), (1942, 108729), (2913, 72486), (4027, 52434), (5826, 36243), (8054, 26217), (8739, 24162), (12081, 17478)]