16128441

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3821}}^1$

素因数の和:3901

約数の個数: 24

約数和(自身を含む): 27029184

約数和(自身を除く): 10900743

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 3821, 4221, 11463, 26747, 34389, 80241, 240723, 256007, 768021, 1792049, 2304063, 5376147, 16128441]

約数ペア:

[(1, 16128441), (3, 5376147), (7, 2304063), (9, 1792049), (21, 768021), (63, 256007), (67, 240723), (201, 80241), (469, 34389), (603, 26747), (1407, 11463), (3821, 4221)]