27639755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 14938165

約数列:

[1, 5, 11, 13, 29, 31, 43, 55, 65, 143, 145, 155, 215, 319, 341, 377, 403, 473, 559, 715, 899, 1247, 1333, 1595, 1705, 1885, 2015, 2365, 2795, 4147, 4433, 4495, 6149, 6235, 6665, 9889, 11687, 13717, 14663, 16211, 17329, 20735, 22165, 30745, 38657, 49445, 58435, 68585, 73315, 81055, 86645, 128557, 178321, 190619, 193285, 425227, 502541, 642785, 891605, 953095, 2126135, 2512705, 5527951, 27639755]

約数ペア:

[(1, 27639755), (5, 5527951), (11, 2512705), (13, 2126135), (29, 953095), (31, 891605), (43, 642785), (55, 502541), (65, 425227), (143, 193285), (145, 190619), (155, 178321), (215, 128557), (319, 86645), (341, 81055), (377, 73315), (403, 68585), (473, 58435), (559, 49445), (715, 38657), (899, 30745), (1247, 22165), (1333, 20735), (1595, 17329), (1705, 16211), (1885, 14663), (2015, 13717), (2365, 11687), (2795, 9889), (4147, 6665), (4433, 6235), (4495, 6149)]