216821161

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{7417}}^1$

素因数の和:7512

約数の個数: 16

約数和(自身を含む): 239275008

約数和(自身を除く): 22453847

約数列:

[1, 23, 31, 41, 713, 943, 1271, 7417, 29233, 170591, 229927, 304097, 5288321, 6994231, 9427007, 216821161]

約数ペア:

[(1, 216821161), (23, 9427007), (31, 6994231), (41, 5288321), (713, 304097), (943, 229927), (1271, 170591), (7417, 29233)]