520075353

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{2903}}^1$

素因数の和:3381

約数の個数: 32

約数和(自身を含む): 836352000

約数和(自身を除く): 316276647

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 449, 1347, 2903, 3143, 8531, 8709, 9429, 20321, 25593, 55157, 59717, 60963, 165471, 179151, 386099, 1158297, 1303447, 3910341, 9124129, 24765493, 27372387, 74296479, 173358451, 520075353]

約数ペア:

[(1, 520075353), (3, 173358451), (7, 74296479), (19, 27372387), (21, 24765493), (57, 9124129), (133, 3910341), (399, 1303447), (449, 1158297), (1347, 386099), (2903, 179151), (3143, 165471), (8531, 60963), (8709, 59717), (9429, 55157), (20321, 25593)]