16381701

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3881}}^1$

素因数の和:3961

約数の個数: 24

約数和(自身を含む): 27453504

約数和(自身を除く): 11071803

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 3881, 4221, 11643, 27167, 34929, 81501, 244503, 260027, 780081, 1820189, 2340243, 5460567, 16381701]

約数ペア:

[(1, 16381701), (3, 5460567), (7, 2340243), (9, 1820189), (21, 780081), (63, 260027), (67, 244503), (201, 81501), (469, 34929), (603, 27167), (1407, 11643), (3881, 4221)]