211982457

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^2\times {\mathrm{383}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 293704704

約数和(自身を除く): 81722247

約数列:

[1, 3, 53, 59, 159, 177, 383, 1149, 3127, 3481, 9381, 10443, 20299, 22597, 60897, 67791, 184493, 553479, 1197641, 1333223, 3592923, 3999669, 70660819, 211982457]

約数ペア:

[(1, 211982457), (3, 70660819), (53, 3999669), (59, 3592923), (159, 1333223), (177, 1197641), (383, 553479), (1149, 184493), (3127, 67791), (3481, 60897), (9381, 22597), (10443, 20299)]