6983991

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6521}}^1$

素因数の和:6551

約数の個数: 24

約数和(自身を含む): 12209184

約数和(自身を除く): 5225193

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 6521, 19563, 45647, 58689, 110857, 136941, 332571, 410823, 775999, 997713, 2327997, 6983991]

約数ペア:

[(1, 6983991), (3, 2327997), (7, 997713), (9, 775999), (17, 410823), (21, 332571), (51, 136941), (63, 110857), (119, 58689), (153, 45647), (357, 19563), (1071, 6521)]