19930161

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{439}}^1$

素因数の和:888

約数の個数: 16

約数和(自身を含む): 27420800

約数和(自身を除く): 7490639

約数列:

[1, 3, 37, 111, 409, 439, 1227, 1317, 15133, 16243, 45399, 48729, 179551, 538653, 6643387, 19930161]

約数ペア:

[(1, 19930161), (3, 6643387), (37, 538653), (111, 179551), (409, 48729), (439, 45399), (1227, 16243), (1317, 15133)]