217723131

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{18013}}^1$

素因数の和:18115

約数の個数: 24

約数和(自身を含む): 337222080

約数和(自身を除く): 119498949

約数列:

[1, 3, 9, 17, 51, 79, 153, 237, 711, 1343, 4029, 12087, 18013, 54039, 162117, 306221, 918663, 1423027, 2755989, 4269081, 12807243, 24191459, 72574377, 217723131]

約数ペア:

[(1, 217723131), (3, 72574377), (9, 24191459), (17, 12807243), (51, 4269081), (79, 2755989), (153, 1423027), (237, 918663), (711, 306221), (1343, 162117), (4029, 54039), (12087, 18013)]