78855231

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1307}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 137873664

約数和(自身を除く): 59018433

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 169, 221, 273, 357, 507, 663, 1183, 1307, 1547, 2873, 3549, 3921, 4641, 8619, 9149, 16991, 20111, 22219, 27447, 50973, 60333, 66657, 118937, 155533, 220883, 288847, 356811, 466599, 662649, 866541, 1546181, 2021929, 3755011, 4638543, 6065787, 11265033, 26285077, 78855231]

約数ペア:

[(1, 78855231), (3, 26285077), (7, 11265033), (13, 6065787), (17, 4638543), (21, 3755011), (39, 2021929), (51, 1546181), (91, 866541), (119, 662649), (169, 466599), (221, 356811), (273, 288847), (357, 220883), (507, 155533), (663, 118937), (1183, 66657), (1307, 60333), (1547, 50973), (2873, 27447), (3549, 22219), (3921, 20111), (4641, 16991), (8619, 9149)]