20135709

素因数分解:

$3^{10}\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 44

約数和(自身を含む): 34012032

約数和(自身を除く): 13876323

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 243, 279, 297, 341, 729, 837, 891, 1023, 2187, 2511, 2673, 3069, 6561, 7533, 8019, 9207, 19683, 22599, 24057, 27621, 59049, 67797, 72171, 82863, 203391, 216513, 248589, 610173, 649539, 745767, 1830519, 2237301, 6711903, 20135709]

約数ペア:

[(1, 20135709), (3, 6711903), (9, 2237301), (11, 1830519), (27, 745767), (31, 649539), (33, 610173), (81, 248589), (93, 216513), (99, 203391), (243, 82863), (279, 72171), (297, 67797), (341, 59049), (729, 27621), (837, 24057), (891, 22599), (1023, 19683), (2187, 9207), (2511, 8019), (2673, 7533), (3069, 6561)]