2220999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 3545856

約数和(自身を除く): 1324857

約数列:

[1, 3, 11, 17, 33, 37, 51, 107, 111, 187, 321, 407, 561, 629, 1177, 1221, 1819, 1887, 3531, 3959, 5457, 6919, 11877, 20009, 20757, 43549, 60027, 67303, 130647, 201909, 740333, 2220999]

約数ペア:

[(1, 2220999), (3, 740333), (11, 201909), (17, 130647), (33, 67303), (37, 60027), (51, 43549), (107, 20757), (111, 20009), (187, 11877), (321, 6919), (407, 5457), (561, 3959), (629, 3531), (1177, 1887), (1221, 1819)]