71569251

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{67967}}^1$

素因数の和:67992

約数の個数: 20

約数和(自身を含む): 115137792

約数和(自身を除く): 43568541

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 67967, 203901, 611703, 883571, 1835109, 2650713, 5505327, 7952139, 23856417, 71569251]

約数ペア:

[(1, 71569251), (3, 23856417), (9, 7952139), (13, 5505327), (27, 2650713), (39, 1835109), (81, 883571), (117, 611703), (351, 203901), (1053, 67967)]