81288603

素因数分解:

$3^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 138547200

約数和(自身を除く): 57258597

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 109, 243, 279, 297, 327, 341, 729, 837, 891, 981, 1023, 1199, 2187, 2511, 2673, 2943, 3069, 3379, 3597, 7533, 8019, 8829, 9207, 10137, 10791, 22599, 24057, 26487, 27621, 30411, 32373, 37169, 67797, 79461, 82863, 91233, 97119, 111507, 238383, 248589, 273699, 291357, 334521, 745767, 821097, 874071, 1003563, 2463291, 2622213, 3010689, 7389873, 9032067, 27096201, 81288603]

約数ペア:

[(1, 81288603), (3, 27096201), (9, 9032067), (11, 7389873), (27, 3010689), (31, 2622213), (33, 2463291), (81, 1003563), (93, 874071), (99, 821097), (109, 745767), (243, 334521), (279, 291357), (297, 273699), (327, 248589), (341, 238383), (729, 111507), (837, 97119), (891, 91233), (981, 82863), (1023, 79461), (1199, 67797), (2187, 37169), (2511, 32373), (2673, 30411), (2943, 27621), (3069, 26487), (3379, 24057), (3597, 22599), (7533, 10791), (8019, 10137), (8829, 9207)]