208775421

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{249433}}^1$

素因数の和:249473

約数の個数: 16

約数和(自身を含む): 319275520

約数和(自身を除く): 110500099

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 249433, 748299, 2244897, 6734691, 7732423, 23197269, 69591807, 208775421]

約数ペア:

[(1, 208775421), (3, 69591807), (9, 23197269), (27, 7732423), (31, 6734691), (93, 2244897), (279, 748299), (837, 249433)]