1998711

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1$

素因数の和:1583

約数の個数: 24

約数和(自身を含む): 3393936

約数和(自身を除く): 1395225

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 1553, 4659, 13977, 17083, 20189, 51249, 60567, 153747, 181701, 222079, 666237, 1998711]

約数ペア:

[(1, 1998711), (3, 666237), (9, 222079), (11, 181701), (13, 153747), (33, 60567), (39, 51249), (99, 20189), (117, 17083), (143, 13977), (429, 4659), (1287, 1553)]