2179998

素因数分解:

$2^1\times 3^2\times {\mathrm{281}}^1\times {\mathrm{431}}^1$

素因数の和:720

約数の個数: 24

約数和(自身を含む): 4751136

約数和(自身を除く): 2571138

約数列:

[1, 2, 3, 6, 9, 18, 281, 431, 562, 843, 862, 1293, 1686, 2529, 2586, 3879, 5058, 7758, 121111, 242222, 363333, 726666, 1089999, 2179998]

約数ペア:

[(1, 2179998), (2, 1089999), (3, 726666), (6, 363333), (9, 242222), (18, 121111), (281, 7758), (431, 5058), (562, 3879), (843, 2586), (862, 2529), (1293, 1686)]