1905275281

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{49033}}^1$

素因数の和:49121

約数の個数: 24

約数和(自身を含む): 2426006184

約数和(自身を除く): 520730903

約数列:

[1, 7, 13, 49, 61, 91, 427, 637, 793, 2989, 5551, 38857, 49033, 343231, 637429, 2402617, 2991013, 4462003, 20937091, 31234021, 38883169, 146559637, 272182183, 1905275281]

約数ペア:

[(1, 1905275281), (7, 272182183), (13, 146559637), (49, 38883169), (61, 31234021), (91, 20937091), (427, 4462003), (637, 2991013), (793, 2402617), (2989, 637429), (5551, 343231), (38857, 49033)]