1994139

素因数分解:

$3^4\times 7^1\times {\mathrm{3517}}^1$

素因数の和:3536

約数の個数: 20

約数和(自身を含む): 3405424

約数和(自身を除く): 1411285

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3517, 10551, 24619, 31653, 73857, 94959, 221571, 284877, 664713, 1994139]

約数ペア:

[(1, 1994139), (3, 664713), (7, 284877), (9, 221571), (21, 94959), (27, 73857), (63, 31653), (81, 24619), (189, 10551), (567, 3517)]