520023309

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 756497280

約数和(自身を除く): 236473971

約数列:

[1, 3, 13, 39, 169, 257, 307, 507, 771, 921, 2197, 3341, 3991, 6591, 10023, 11973, 43433, 51883, 78899, 130299, 155649, 236697, 564629, 674479, 1025687, 1693887, 2023437, 3077061, 13333931, 40001793, 173341103, 520023309]

約数ペア:

[(1, 520023309), (3, 173341103), (13, 40001793), (39, 13333931), (169, 3077061), (257, 2023437), (307, 1693887), (507, 1025687), (771, 674479), (921, 564629), (2197, 236697), (3341, 155649), (3991, 130299), (6591, 78899), (10023, 51883), (11973, 43433)]