48885993

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21991}}^1$

素因数の和:22029

約数の個数: 24

約数和(自身を含む): 80050880

約数和(自身を除く): 31164887

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 21991, 65973, 197919, 285883, 417829, 857649, 1253487, 2572947, 3760461, 5431777, 16295331, 48885993]

約数ペア:

[(1, 48885993), (3, 16295331), (9, 5431777), (13, 3760461), (19, 2572947), (39, 1253487), (57, 857649), (117, 417829), (171, 285883), (247, 197919), (741, 65973), (2223, 21991)]