71941239

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1637}}^1$

素因数の和:1919

約数の個数: 24

約数和(自身を含む): 109877040

約数和(自身を除く): 37935801

約数列:

[1, 3, 9, 19, 57, 171, 257, 771, 1637, 2313, 4883, 4911, 14649, 14733, 31103, 43947, 93309, 279927, 420709, 1262127, 3786381, 7993471, 23980413, 71941239]

約数ペア:

[(1, 71941239), (3, 23980413), (9, 7993471), (19, 3786381), (57, 1262127), (171, 420709), (257, 279927), (771, 93309), (1637, 43947), (2313, 31103), (4883, 14733), (4911, 14649)]