28805166

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1$

素因数の和:1170

約数の個数: 64

約数和(自身を含む): 70862400

約数和(自身を除く): 42057234

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 111, 117, 222, 234, 333, 351, 481, 666, 702, 962, 999, 1109, 1443, 1998, 2218, 2886, 3327, 4329, 6654, 8658, 9981, 12987, 14417, 19962, 25974, 28834, 29943, 41033, 43251, 59886, 82066, 86502, 123099, 129753, 246198, 259506, 369297, 389259, 533429, 738594, 778518, 1066858, 1107891, 1600287, 2215782, 3200574, 4800861, 9601722, 14402583, 28805166]

約数ペア:

[(1, 28805166), (2, 14402583), (3, 9601722), (6, 4800861), (9, 3200574), (13, 2215782), (18, 1600287), (26, 1107891), (27, 1066858), (37, 778518), (39, 738594), (54, 533429), (74, 389259), (78, 369297), (111, 259506), (117, 246198), (222, 129753), (234, 123099), (333, 86502), (351, 82066), (481, 59886), (666, 43251), (702, 41033), (962, 29943), (999, 28834), (1109, 25974), (1443, 19962), (1998, 14417), (2218, 12987), (2886, 9981), (3327, 8658), (4329, 6654)]