80849985

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 131843712

約数和(自身を除く): 50993727

約数列:

[1, 3, 5, 15, 97, 181, 291, 307, 485, 543, 905, 921, 1455, 1535, 2715, 4605, 17557, 29779, 52671, 55567, 87785, 89337, 148895, 166701, 263355, 277835, 446685, 833505, 5389999, 16169997, 26949995, 80849985]

約数ペア:

[(1, 80849985), (3, 26949995), (5, 16169997), (15, 5389999), (97, 833505), (181, 446685), (291, 277835), (307, 263355), (485, 166701), (543, 148895), (905, 89337), (921, 87785), (1455, 55567), (1535, 52671), (2715, 29779), (4605, 17557)]