1712991

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 2728704

約数和(自身を除く): 1015713

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 271, 301, 813, 903, 1897, 2107, 5691, 6321, 11653, 13279, 34959, 39837, 81571, 244713, 570997, 1712991]

約数ペア:

[(1, 1712991), (3, 570997), (7, 244713), (21, 81571), (43, 39837), (49, 34959), (129, 13279), (147, 11653), (271, 6321), (301, 5691), (813, 2107), (903, 1897)]