31340331

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 52284960

約数和(自身を除く): 20944629

約数列:

[1, 3, 9, 11, 27, 33, 53, 99, 121, 159, 181, 297, 363, 477, 543, 583, 1089, 1431, 1629, 1749, 1991, 3267, 4887, 5247, 5973, 6413, 9593, 15741, 17919, 19239, 21901, 28779, 53757, 57717, 65703, 86337, 105523, 173151, 197109, 259011, 316569, 591327, 949707, 1160753, 2849121, 3482259, 10446777, 31340331]

約数ペア:

[(1, 31340331), (3, 10446777), (9, 3482259), (11, 2849121), (27, 1160753), (33, 949707), (53, 591327), (99, 316569), (121, 259011), (159, 197109), (181, 173151), (297, 105523), (363, 86337), (477, 65703), (543, 57717), (583, 53757), (1089, 28779), (1431, 21901), (1629, 19239), (1749, 17919), (1991, 15741), (3267, 9593), (4887, 6413), (5247, 5973)]