7209081

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 56

約数和(自身を含む): 12591360

約数和(自身を除く): 5382279

約数列:

[1, 3, 9, 11, 27, 29, 31, 33, 81, 87, 93, 99, 243, 261, 279, 297, 319, 341, 729, 783, 837, 891, 899, 957, 1023, 2349, 2511, 2673, 2697, 2871, 3069, 7047, 7533, 8019, 8091, 8613, 9207, 9889, 21141, 22599, 24273, 25839, 27621, 29667, 72819, 77517, 82863, 89001, 218457, 232551, 248589, 267003, 655371, 801009, 2403027, 7209081]

約数ペア:

[(1, 7209081), (3, 2403027), (9, 801009), (11, 655371), (27, 267003), (29, 248589), (31, 232551), (33, 218457), (81, 89001), (87, 82863), (93, 77517), (99, 72819), (243, 29667), (261, 27621), (279, 25839), (297, 24273), (319, 22599), (341, 21141), (729, 9889), (783, 9207), (837, 8613), (891, 8091), (899, 8019), (957, 7533), (1023, 7047), (2349, 3069), (2511, 2871), (2673, 2697)]