71487057

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{20921}}^1$

素因数の和:21008

約数の個数: 16

約数和(自身を含む): 102434112

約数和(自身を除く): 30947055

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 20921, 62763, 355657, 1066971, 1401707, 4205121, 23829019, 71487057]

約数ペア:

[(1, 71487057), (3, 23829019), (17, 4205121), (51, 1401707), (67, 1066971), (201, 355657), (1139, 62763), (3417, 20921)]