71313147

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{211}}^1$

素因数の和:328

約数の個数: 36

約数和(自身を含む): 111965256

約数和(自身を除く): 40652109

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 211, 423, 633, 799, 1899, 2209, 2397, 3587, 6627, 7191, 9917, 10761, 19881, 29751, 32283, 37553, 89253, 112659, 168589, 337977, 466099, 505767, 1398297, 1517301, 4194891, 7923683, 23771049, 71313147]

約数ペア:

[(1, 71313147), (3, 23771049), (9, 7923683), (17, 4194891), (47, 1517301), (51, 1398297), (141, 505767), (153, 466099), (211, 337977), (423, 168589), (633, 112659), (799, 89253), (1899, 37553), (2209, 32283), (2397, 29751), (3587, 19881), (6627, 10761), (7191, 9917)]