15951978

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{521}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 41091840

約数和(自身を除く): 25139862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 521, 567, 729, 1042, 1134, 1458, 1563, 1701, 2187, 3126, 3402, 3647, 4374, 4689, 5103, 7294, 9378, 10206, 10941, 14067, 15309, 21882, 28134, 30618, 32823, 42201, 65646, 84402, 98469, 126603, 196938, 253206, 295407, 379809, 590814, 759618, 886221, 1139427, 1772442, 2278854, 2658663, 5317326, 7975989, 15951978]

約数ペア:

[(1, 15951978), (2, 7975989), (3, 5317326), (6, 2658663), (7, 2278854), (9, 1772442), (14, 1139427), (18, 886221), (21, 759618), (27, 590814), (42, 379809), (54, 295407), (63, 253206), (81, 196938), (126, 126603), (162, 98469), (189, 84402), (243, 65646), (378, 42201), (486, 32823), (521, 30618), (567, 28134), (729, 21882), (1042, 15309), (1134, 14067), (1458, 10941), (1563, 10206), (1701, 9378), (2187, 7294), (3126, 5103), (3402, 4689), (3647, 4374)]