64820799

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 100565712

約数和(自身を除く): 35744913

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 281, 361, 639, 843, 1083, 1349, 2529, 3249, 4047, 5339, 12141, 16017, 19951, 25631, 48051, 59853, 76893, 101441, 179559, 230679, 304323, 379069, 912969, 1137207, 3411621, 7202311, 21606933, 64820799]

約数ペア:

[(1, 64820799), (3, 21606933), (9, 7202311), (19, 3411621), (57, 1137207), (71, 912969), (171, 379069), (213, 304323), (281, 230679), (361, 179559), (639, 101441), (843, 76893), (1083, 59853), (1349, 48051), (2529, 25631), (3249, 19951), (4047, 16017), (5339, 12141)]