27685945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 16550855

約数列:

[1, 5, 7, 17, 19, 31, 35, 79, 85, 95, 119, 133, 155, 217, 323, 395, 527, 553, 589, 595, 665, 1085, 1343, 1501, 1615, 2261, 2449, 2635, 2765, 2945, 3689, 4123, 6715, 7505, 9401, 10013, 10507, 11305, 12245, 17143, 18445, 20615, 25517, 41633, 46531, 47005, 50065, 52535, 70091, 85715, 127585, 178619, 208165, 232655, 291431, 325717, 350455, 791027, 893095, 1457155, 1628585, 3955135, 5537189, 27685945]

約数ペア:

[(1, 27685945), (5, 5537189), (7, 3955135), (17, 1628585), (19, 1457155), (31, 893095), (35, 791027), (79, 350455), (85, 325717), (95, 291431), (119, 232655), (133, 208165), (155, 178619), (217, 127585), (323, 85715), (395, 70091), (527, 52535), (553, 50065), (589, 47005), (595, 46531), (665, 41633), (1085, 25517), (1343, 20615), (1501, 18445), (1615, 17143), (2261, 12245), (2449, 11305), (2635, 10507), (2765, 10013), (2945, 9401), (3689, 7505), (4123, 6715)]