1680789

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 2573856

約数和(自身を除く): 893067

約数列:

[1, 3, 11, 31, 33, 53, 93, 159, 341, 583, 961, 1023, 1643, 1749, 2883, 4929, 10571, 18073, 31713, 50933, 54219, 152799, 560263, 1680789]

約数ペア:

[(1, 1680789), (3, 560263), (11, 152799), (31, 54219), (33, 50933), (53, 31713), (93, 18073), (159, 10571), (341, 4929), (583, 2883), (961, 1749), (1023, 1643)]