197526609

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{839}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 338607360

約数和(自身を除く): 141080751

約数列:

[1, 3, 7, 9, 21, 37, 63, 101, 111, 259, 303, 333, 707, 777, 839, 909, 2121, 2331, 2517, 3737, 5873, 6363, 7551, 11211, 17619, 26159, 31043, 33633, 52857, 78477, 84739, 93129, 217301, 235431, 254217, 279387, 593173, 651903, 762651, 1779519, 1955709, 3135343, 5338557, 9406029, 21947401, 28218087, 65842203, 197526609]

約数ペア:

[(1, 197526609), (3, 65842203), (7, 28218087), (9, 21947401), (21, 9406029), (37, 5338557), (63, 3135343), (101, 1955709), (111, 1779519), (259, 762651), (303, 651903), (333, 593173), (707, 279387), (777, 254217), (839, 235431), (909, 217301), (2121, 93129), (2331, 84739), (2517, 78477), (3737, 52857), (5873, 33633), (6363, 31043), (7551, 26159), (11211, 17619)]