39641979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1471}}^1$

素因数の和:2178

約数の個数: 16

約数和(自身を含む): 57042944

約数和(自身を除く): 17400965

約数列:

[1, 3, 13, 39, 691, 1471, 2073, 4413, 8983, 19123, 26949, 57369, 1016461, 3049383, 13213993, 39641979]

約数ペア:

[(1, 39641979), (3, 13213993), (13, 3049383), (39, 1016461), (691, 57369), (1471, 26949), (2073, 19123), (4413, 8983)]