2904741

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 40

約数和(自身を含む): 5111040

約数和(自身を除く): 2206299

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 109, 141, 189, 327, 329, 423, 567, 763, 981, 987, 1269, 2289, 2943, 2961, 3807, 5123, 6867, 8829, 8883, 15369, 20601, 26649, 35861, 46107, 61803, 107583, 138321, 322749, 414963, 968247, 2904741]

約数ペア:

[(1, 2904741), (3, 968247), (7, 414963), (9, 322749), (21, 138321), (27, 107583), (47, 61803), (63, 46107), (81, 35861), (109, 26649), (141, 20601), (189, 15369), (327, 8883), (329, 8829), (423, 6867), (567, 5123), (763, 3807), (981, 2961), (987, 2943), (1269, 2289)]