388655421

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{3217}}^1$

素因数の和:3761

約数の個数: 32

約数和(自身を含む): 647513088

約数和(自身を除く): 258857667

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 523, 1569, 3217, 3661, 5753, 9651, 10983, 17259, 22519, 35387, 40271, 67557, 106161, 120813, 247709, 743127, 1682491, 5047473, 11777437, 18507401, 35332311, 55522203, 129551807, 388655421]

約数ペア:

[(1, 388655421), (3, 129551807), (7, 55522203), (11, 35332311), (21, 18507401), (33, 11777437), (77, 5047473), (231, 1682491), (523, 743127), (1569, 247709), (3217, 120813), (3661, 106161), (5753, 67557), (9651, 40271), (10983, 35387), (17259, 22519)]