8491287

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 13639680

約数和(自身を除く): 5148393

約数列:

[1, 3, 7, 21, 29, 73, 87, 191, 203, 219, 511, 573, 609, 1337, 1533, 2117, 4011, 5539, 6351, 13943, 14819, 16617, 38773, 41829, 44457, 97601, 116319, 292803, 404347, 1213041, 2830429, 8491287]

約数ペア:

[(1, 8491287), (3, 2830429), (7, 1213041), (21, 404347), (29, 292803), (73, 116319), (87, 97601), (191, 44457), (203, 41829), (219, 38773), (511, 16617), (573, 14819), (609, 13943), (1337, 6351), (1533, 5539), (2117, 4011)]