38888991

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{8423}}^1$

素因数の和:8457

約数の個数: 24

約数和(自身を含む): 61326720

約数和(自身を除く): 22437729

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 8423, 25269, 75807, 160037, 227421, 480111, 682263, 1440333, 2046789, 4320999, 12962997, 38888991]

約数ペア:

[(1, 38888991), (3, 12962997), (9, 4320999), (19, 2046789), (27, 1440333), (57, 682263), (81, 480111), (171, 227421), (243, 160037), (513, 75807), (1539, 25269), (4617, 8423)]