388987755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{18301}}^1$

素因数の和:18431

約数の個数: 32

約数和(自身を含む): 676441920

約数和(自身を除く): 287454165

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 1417, 1635, 4251, 7085, 18301, 21255, 54903, 91505, 237913, 274515, 713739, 1189565, 1994809, 3568695, 5984427, 9974045, 25932517, 29922135, 77797551, 129662585, 388987755]

約数ペア:

[(1, 388987755), (3, 129662585), (5, 77797551), (13, 29922135), (15, 25932517), (39, 9974045), (65, 5984427), (109, 3568695), (195, 1994809), (327, 1189565), (545, 713739), (1417, 274515), (1635, 237913), (4251, 91505), (7085, 54903), (18301, 21255)]