648886419

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{743}}^1\times {\mathrm{4219}}^1$

素因数の和:4991

約数の個数: 24

約数和(自身を含む): 979580160

約数和(自身を除く): 330693741

約数列:

[1, 3, 9, 23, 69, 207, 743, 2229, 4219, 6687, 12657, 17089, 37971, 51267, 97037, 153801, 291111, 873333, 3134717, 9404151, 28212453, 72098491, 216295473, 648886419]

約数ペア:

[(1, 648886419), (3, 216295473), (9, 72098491), (23, 28212453), (69, 9404151), (207, 3134717), (743, 873333), (2229, 291111), (4219, 153801), (6687, 97037), (12657, 51267), (17089, 37971)]