391992021

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{18637}}^1$

素因数の和:18706

約数の個数: 32

約数和(自身を含む): 626236800

約数和(自身を除く): 234244779

約数列:

[1, 3, 9, 19, 27, 41, 57, 123, 171, 369, 513, 779, 1107, 2337, 7011, 18637, 21033, 55911, 167733, 354103, 503199, 764117, 1062309, 2292351, 3186927, 6877053, 9560781, 14518223, 20631159, 43554669, 130664007, 391992021]

約数ペア:

[(1, 391992021), (3, 130664007), (9, 43554669), (19, 20631159), (27, 14518223), (41, 9560781), (57, 6877053), (123, 3186927), (171, 2292351), (369, 1062309), (513, 764117), (779, 503199), (1107, 354103), (2337, 167733), (7011, 55911), (18637, 21033)]