1981476

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{2621}}^1$

素因数の和:2641

約数の個数: 48

約数和(自身を含む): 5873280

約数和(自身を除く): 3891804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 2621, 5242, 7863, 10484, 15726, 18347, 23589, 31452, 36694, 47178, 55041, 70767, 73388, 94356, 110082, 141534, 165123, 220164, 283068, 330246, 495369, 660492, 990738, 1981476]

約数ペア:

[(1, 1981476), (2, 990738), (3, 660492), (4, 495369), (6, 330246), (7, 283068), (9, 220164), (12, 165123), (14, 141534), (18, 110082), (21, 94356), (27, 73388), (28, 70767), (36, 55041), (42, 47178), (54, 36694), (63, 31452), (84, 23589), (108, 18347), (126, 15726), (189, 10484), (252, 7863), (378, 5242), (756, 2621)]