2013208821

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1\times {\mathrm{1021}}^1$

素因数の和:1946

約数の個数: 48

約数和(自身を含む): 3303431040

約数和(自身を除く): 1290222219

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 887, 1021, 2223, 2661, 3063, 7983, 9189, 11531, 13273, 16853, 19399, 34593, 39819, 50559, 58197, 103779, 119457, 151677, 174591, 219089, 252187, 657267, 756561, 905627, 1971801, 2269683, 2716881, 8150643, 11773151, 17206913, 35319453, 51620739, 105958359, 154862217, 223689869, 671069607, 2013208821]

約数ペア:

[(1, 2013208821), (3, 671069607), (9, 223689869), (13, 154862217), (19, 105958359), (39, 51620739), (57, 35319453), (117, 17206913), (171, 11773151), (247, 8150643), (741, 2716881), (887, 2269683), (1021, 1971801), (2223, 905627), (2661, 756561), (3063, 657267), (7983, 252187), (9189, 219089), (11531, 174591), (13273, 151677), (16853, 119457), (19399, 103779), (34593, 58197), (39819, 50559)]