247730994

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{655373}}^1$

素因数の和:655391

約数の個数: 32

約数和(自身を含む): 629159040

約数和(自身を除く): 381428046

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 655373, 1310746, 1966119, 3932238, 4587611, 5898357, 9175222, 11796714, 13762833, 17695071, 27525666, 35390142, 41288499, 82576998, 123865497, 247730994]

約数ペア:

[(1, 247730994), (2, 123865497), (3, 82576998), (6, 41288499), (7, 35390142), (9, 27525666), (14, 17695071), (18, 13762833), (21, 11796714), (27, 9175222), (42, 5898357), (54, 4587611), (63, 3932238), (126, 1966119), (189, 1310746), (378, 655373)]