27921537

素因数分解:

$3^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{613}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 47548160

約数和(自身を除く): 19626623

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 241, 613, 723, 1687, 1839, 2169, 4291, 5061, 5517, 6507, 12873, 15183, 16551, 38619, 45549, 115857, 147733, 443199, 1034131, 1329597, 3102393, 3988791, 9307179, 27921537]

約数ペア:

[(1, 27921537), (3, 9307179), (7, 3988791), (9, 3102393), (21, 1329597), (27, 1034131), (63, 443199), (189, 147733), (241, 115857), (613, 45549), (723, 38619), (1687, 16551), (1839, 15183), (2169, 12873), (4291, 6507), (5061, 5517)]