306520977

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 519045120

約数和(自身を除く): 212524143

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 127, 133, 161, 263, 381, 399, 437, 483, 789, 889, 1311, 1841, 2413, 2667, 2921, 3059, 4997, 5523, 6049, 7239, 8763, 9177, 14991, 16891, 18147, 20447, 33401, 34979, 42343, 50673, 55499, 61341, 100203, 104937, 114931, 127029, 166497, 233807, 344793, 388493, 634619, 701421, 768223, 804517, 1165479, 1903857, 2304669, 2413551, 4442333, 5377561, 13326999, 14596237, 16132683, 43788711, 102173659, 306520977]

約数ペア:

[(1, 306520977), (3, 102173659), (7, 43788711), (19, 16132683), (21, 14596237), (23, 13326999), (57, 5377561), (69, 4442333), (127, 2413551), (133, 2304669), (161, 1903857), (263, 1165479), (381, 804517), (399, 768223), (437, 701421), (483, 634619), (789, 388493), (889, 344793), (1311, 233807), (1841, 166497), (2413, 127029), (2667, 114931), (2921, 104937), (3059, 100203), (4997, 61341), (5523, 55499), (6049, 50673), (7239, 42343), (8763, 34979), (9177, 33401), (14991, 20447), (16891, 18147)]