1991343

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 2810880

約数和(自身を除く): 819537

約数列:

[1, 3, 29, 47, 87, 141, 487, 1363, 1461, 4089, 14123, 22889, 42369, 68667, 663781, 1991343]

約数ペア:

[(1, 1991343), (3, 663781), (29, 68667), (47, 42369), (87, 22889), (141, 14123), (487, 4089), (1363, 1461)]