857241

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1237}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 1545024

約数和(自身を除く): 687783

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 1237, 3711, 8659, 11133, 13607, 25977, 40821, 77931, 95249, 122463, 285747, 857241]

約数ペア:

[(1, 857241), (3, 285747), (7, 122463), (9, 95249), (11, 77931), (21, 40821), (33, 25977), (63, 13607), (77, 11133), (99, 8659), (231, 3711), (693, 1237)]