81091107

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2383}}^1$

素因数の和:2607

約数の個数: 24

約数和(自身を含む): 123968000

約数和(自身を除く): 42876893

約数列:

[1, 3, 9, 19, 57, 171, 199, 597, 1791, 2383, 3781, 7149, 11343, 21447, 34029, 45277, 135831, 407493, 474217, 1422651, 4267953, 9010123, 27030369, 81091107]

約数ペア:

[(1, 81091107), (3, 27030369), (9, 9010123), (19, 4267953), (57, 1422651), (171, 474217), (199, 407493), (597, 135831), (1791, 45277), (2383, 34029), (3781, 21447), (7149, 11343)]