27391581

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3917}}^1$

素因数の和:3970

約数の個数: 32

約数和(自身を含む): 47642880

約数和(自身を除く): 20251299

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 3917, 6993, 11751, 27419, 35253, 82257, 105759, 144929, 246771, 434787, 740313, 1014503, 1304361, 3043509, 3913083, 9130527, 27391581]

約数ペア:

[(1, 27391581), (3, 9130527), (7, 3913083), (9, 3043509), (21, 1304361), (27, 1014503), (37, 740313), (63, 434787), (111, 246771), (189, 144929), (259, 105759), (333, 82257), (777, 35253), (999, 27419), (2331, 11751), (3917, 6993)]