1271729109

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{86143}}^1$

素因数の和:86209

約数の個数: 32

約数和(自身を含む): 2095022080

約数和(自身を除く): 823292971

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4921, 14763, 86143, 258429, 603001, 1636717, 1809003, 3187291, 4910151, 9561873, 11457019, 22311037, 34371057, 60558529, 66933111, 181675587, 423909703, 1271729109]

約数ペア:

[(1, 1271729109), (3, 423909703), (7, 181675587), (19, 66933111), (21, 60558529), (37, 34371057), (57, 22311037), (111, 11457019), (133, 9561873), (259, 4910151), (399, 3187291), (703, 1809003), (777, 1636717), (2109, 603001), (4921, 258429), (14763, 86143)]