40480839

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{22157}}^1$

素因数の和:22199

約数の個数: 24

約数和(自身を含む): 69132960

約数和(自身を除く): 28652121

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 22157, 66471, 155099, 199413, 465297, 642553, 1395891, 1927659, 4497871, 5782977, 13493613, 40480839]

約数ペア:

[(1, 40480839), (3, 13493613), (7, 5782977), (9, 4497871), (21, 1927659), (29, 1395891), (63, 642553), (87, 465297), (203, 199413), (261, 155099), (609, 66471), (1827, 22157)]