289965039

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1536

約数の個数: 64

約数和(自身を含む): 515902464

約数和(自身を除く): 225937425

約数列:

[1, 3, 7, 13, 17, 21, 39, 43, 51, 91, 119, 129, 221, 273, 301, 357, 559, 663, 731, 903, 1453, 1547, 1677, 2193, 3913, 4359, 4641, 5117, 9503, 10171, 11739, 15351, 18889, 24701, 28509, 30513, 56667, 62479, 66521, 74103, 132223, 172907, 187437, 199563, 321113, 396669, 437353, 518721, 812227, 963339, 1062143, 1312059, 2247791, 2436681, 3186429, 5685589, 6743373, 7435001, 13807859, 17056767, 22305003, 41423577, 96655013, 289965039]

約数ペア:

[(1, 289965039), (3, 96655013), (7, 41423577), (13, 22305003), (17, 17056767), (21, 13807859), (39, 7435001), (43, 6743373), (51, 5685589), (91, 3186429), (119, 2436681), (129, 2247791), (221, 1312059), (273, 1062143), (301, 963339), (357, 812227), (559, 518721), (663, 437353), (731, 396669), (903, 321113), (1453, 199563), (1547, 187437), (1677, 172907), (2193, 132223), (3913, 74103), (4359, 66521), (4641, 62479), (5117, 56667), (9503, 30513), (10171, 28509), (11739, 24701), (15351, 18889)]