208021959

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{11551}}^1$

素因数の和:11612

約数の個数: 32

約数和(自身を含む): 332697600

約数和(自身を除く): 124675641

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 2001, 6003, 11551, 18009, 34653, 103959, 265673, 311877, 334979, 797019, 1004937, 2391057, 3014811, 7173171, 7704517, 9044433, 23113551, 69340653, 208021959]

約数ペア:

[(1, 208021959), (3, 69340653), (9, 23113551), (23, 9044433), (27, 7704517), (29, 7173171), (69, 3014811), (87, 2391057), (207, 1004937), (261, 797019), (621, 334979), (667, 311877), (783, 265673), (2001, 103959), (6003, 34653), (11551, 18009)]