200640321

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7529}}^1$

素因数の和:7595

約数の個数: 40

約数和(自身を含む): 349873920

約数和(自身を除く): 149233599

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 1269, 2961, 3807, 7529, 8883, 22587, 26649, 52703, 67761, 158109, 203283, 353863, 474327, 609849, 1061589, 1422981, 2477041, 3184767, 4268943, 7431123, 9554301, 22293369, 28662903, 66880107, 200640321]

約数ペア:

[(1, 200640321), (3, 66880107), (7, 28662903), (9, 22293369), (21, 9554301), (27, 7431123), (47, 4268943), (63, 3184767), (81, 2477041), (141, 1422981), (189, 1061589), (329, 609849), (423, 474327), (567, 353863), (987, 203283), (1269, 158109), (2961, 67761), (3807, 52703), (7529, 26649), (8883, 22587)]