56981673

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{107}}^2$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 96154240

約数和(自身を除く): 39172567

約数列:

[1, 3, 7, 9, 21, 63, 79, 107, 237, 321, 553, 711, 749, 963, 1659, 2247, 4977, 6741, 8453, 11449, 25359, 34347, 59171, 76077, 80143, 103041, 177513, 240429, 532539, 721287, 904471, 2713413, 6331297, 8140239, 18993891, 56981673]

約数ペア:

[(1, 56981673), (3, 18993891), (7, 8140239), (9, 6331297), (21, 2713413), (63, 904471), (79, 721287), (107, 532539), (237, 240429), (321, 177513), (553, 103041), (711, 80143), (749, 76077), (963, 59171), (1659, 34347), (2247, 25359), (4977, 11449), (6741, 8453)]