90815421

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 131788800

約数和(自身を除く): 40973379

約数列:

[1, 3, 19, 47, 57, 109, 141, 311, 327, 893, 933, 2071, 2679, 5123, 5909, 6213, 14617, 15369, 17727, 33899, 43851, 97337, 101697, 277723, 292011, 644081, 833169, 1593253, 1932243, 4779759, 30271807, 90815421]

約数ペア:

[(1, 90815421), (3, 30271807), (19, 4779759), (47, 1932243), (57, 1593253), (109, 833169), (141, 644081), (311, 292011), (327, 277723), (893, 101697), (933, 97337), (2071, 43851), (2679, 33899), (5123, 17727), (5909, 15369), (6213, 14617)]