991998

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{7873}}^1$

素因数の和:7888

約数の個数: 24

約数和(自身を含む): 2456688

約数和(自身を除く): 1464690

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 7873, 15746, 23619, 47238, 55111, 70857, 110222, 141714, 165333, 330666, 495999, 991998]

約数ペア:

[(1, 991998), (2, 495999), (3, 330666), (6, 165333), (7, 141714), (9, 110222), (14, 70857), (18, 55111), (21, 47238), (42, 23619), (63, 15746), (126, 7873)]