7189749

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 12320000

約数和(自身を除く): 5130251

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 349, 763, 981, 1047, 2289, 2443, 2943, 3141, 6867, 7329, 9423, 20601, 21987, 38041, 65961, 114123, 266287, 342369, 798861, 1027107, 2396583, 7189749]

約数ペア:

[(1, 7189749), (3, 2396583), (7, 1027107), (9, 798861), (21, 342369), (27, 266287), (63, 114123), (109, 65961), (189, 38041), (327, 21987), (349, 20601), (763, 9423), (981, 7329), (1047, 6867), (2289, 3141), (2443, 2943)]