40225437

素因数分解:

$3^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 68418560

約数和(自身を除く): 28193123

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 331, 643, 993, 1929, 2317, 2979, 4501, 5787, 6951, 8937, 13503, 17361, 20853, 40509, 62559, 121527, 212833, 638499, 1489831, 1915497, 4469493, 5746491, 13408479, 40225437]

約数ペア:

[(1, 40225437), (3, 13408479), (7, 5746491), (9, 4469493), (21, 1915497), (27, 1489831), (63, 638499), (189, 212833), (331, 121527), (643, 62559), (993, 40509), (1929, 20853), (2317, 17361), (2979, 13503), (4501, 8937), (5787, 6951)]