1993467

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 3151872

約数和(自身を除く): 1158405

約数列:

[1, 3, 7, 21, 49, 71, 147, 191, 213, 497, 573, 1337, 1491, 3479, 4011, 9359, 10437, 13561, 28077, 40683, 94927, 284781, 664489, 1993467]

約数ペア:

[(1, 1993467), (3, 664489), (7, 284781), (21, 94927), (49, 40683), (71, 28077), (147, 13561), (191, 10437), (213, 9359), (497, 4011), (573, 3479), (1337, 1491)]