3121855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1831}}^1$

素因数の和:1878

約数の個数: 16

約数和(自身を含む): 4220928

約数和(自身を除く): 1099073

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 1831, 9155, 20141, 56761, 100705, 283805, 624371, 3121855]

約数ペア:

[(1, 3121855), (5, 624371), (11, 283805), (31, 100705), (55, 56761), (155, 20141), (341, 9155), (1705, 1831)]