215711775

素因数分解:

$3^3\times 5^2\times {\mathrm{313}}^1\times {\mathrm{1021}}^1$

素因数の和:1353

約数の個数: 48

約数和(自身を含む): 397925920

約数和(自身を除く): 182214145

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 313, 675, 939, 1021, 1565, 2817, 3063, 4695, 5105, 7825, 8451, 9189, 14085, 15315, 23475, 25525, 27567, 42255, 45945, 70425, 76575, 137835, 211275, 229725, 319573, 689175, 958719, 1597865, 2876157, 4793595, 7989325, 8628471, 14380785, 23967975, 43142355, 71903925, 215711775]

約数ペア:

[(1, 215711775), (3, 71903925), (5, 43142355), (9, 23967975), (15, 14380785), (25, 8628471), (27, 7989325), (45, 4793595), (75, 2876157), (135, 1597865), (225, 958719), (313, 689175), (675, 319573), (939, 229725), (1021, 211275), (1565, 137835), (2817, 76575), (3063, 70425), (4695, 45945), (5105, 42255), (7825, 27567), (8451, 25525), (9189, 23475), (14085, 15315)]