7870863

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2621}}^1$

素因数の和:2655

約数の個数: 32

約数和(自身を含む): 14095872

約数和(自身を除く): 6225009

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 2621, 3003, 7863, 18347, 28831, 34073, 55041, 86493, 102219, 201817, 238511, 374803, 605451, 715533, 1124409, 2623621, 7870863]

約数ペア:

[(1, 7870863), (3, 2623621), (7, 1124409), (11, 715533), (13, 605451), (21, 374803), (33, 238511), (39, 201817), (77, 102219), (91, 86493), (143, 55041), (231, 34073), (273, 28831), (429, 18347), (1001, 7863), (2621, 3003)]