65884815

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 118609920

約数和(自身を除く): 52725105

約数列:

[1, 3, 5, 9, 15, 43, 45, 79, 129, 215, 237, 387, 395, 431, 645, 711, 1185, 1293, 1935, 2155, 3397, 3555, 3879, 6465, 10191, 16985, 18533, 19395, 30573, 34049, 50955, 55599, 92665, 102147, 152865, 166797, 170245, 277995, 306441, 510735, 833985, 1464107, 1532205, 4392321, 7320535, 13176963, 21961605, 65884815]

約数ペア:

[(1, 65884815), (3, 21961605), (5, 13176963), (9, 7320535), (15, 4392321), (43, 1532205), (45, 1464107), (79, 833985), (129, 510735), (215, 306441), (237, 277995), (387, 170245), (395, 166797), (431, 152865), (645, 102147), (711, 92665), (1185, 55599), (1293, 50955), (1935, 34049), (2155, 30573), (3397, 19395), (3555, 18533), (3879, 16985), (6465, 10191)]