28691793

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1966

約数の個数: 32

約数和(自身を含む): 46865280

約数和(自身を除く): 18173487

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 1901, 5031, 5703, 15093, 17109, 24713, 51327, 74139, 81743, 222417, 245229, 667251, 735687, 1062659, 2207061, 3187977, 9563931, 28691793]

約数ペア:

[(1, 28691793), (3, 9563931), (9, 3187977), (13, 2207061), (27, 1062659), (39, 735687), (43, 667251), (117, 245229), (129, 222417), (351, 81743), (387, 74139), (559, 51327), (1161, 24713), (1677, 17109), (1901, 15093), (5031, 5703)]