21627243

素因数分解:

$3^7\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 64

約数和(自身を含む): 37785600

約数和(自身を除く): 16158357

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, 2187, 2349, 2511, 2673, 2697, 2871, 3069, 7047, 7533, 8019, 8091, 8613, 9207, 9889, 21141, 22599, 24057, 24273, 25839, 27621, 29667, 63423, 67797, 72819, 77517, 82863, 89001, 218457, 232551, 248589, 267003, 655371, 697653, 745767, 801009, 1966113, 2403027, 7209081, 21627243]

約数ペア:

[(1, 21627243), (3, 7209081), (9, 2403027), (11, 1966113), (27, 801009), (29, 745767), (31, 697653), (33, 655371), (81, 267003), (87, 248589), (93, 232551), (99, 218457), (243, 89001), (261, 82863), (279, 77517), (297, 72819), (319, 67797), (341, 63423), (729, 29667), (783, 27621), (837, 25839), (891, 24273), (899, 24057), (957, 22599), (1023, 21141), (2187, 9889), (2349, 9207), (2511, 8613), (2673, 8091), (2697, 8019), (2871, 7533), (3069, 7047)]