68691021

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61717}}^1$

素因数の和:61780

約数の個数: 16

約数和(自身を含む): 106648704

約数和(自身を除く): 37957683

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 61717, 185151, 432019, 1296057, 3271001, 9813003, 22897007, 68691021]

約数ペア:

[(1, 68691021), (3, 22897007), (7, 9813003), (21, 3271001), (53, 1296057), (159, 432019), (371, 185151), (1113, 61717)]