1990611

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1695

約数の個数: 24

約数和(自身を含む): 3461120

約数和(自身を除く): 1470509

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1663, 4989, 11641, 14967, 31597, 34923, 94791, 104769, 221179, 284373, 663537, 1990611]

約数ペア:

[(1, 1990611), (3, 663537), (7, 284373), (9, 221179), (19, 104769), (21, 94791), (57, 34923), (63, 31597), (133, 14967), (171, 11641), (399, 4989), (1197, 1663)]