81109782

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2687}}^1$

素因数の和:2754

約数の個数: 64

約数和(自身を含む): 198696960

約数和(自身を除く): 117587178

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 78, 86, 117, 129, 234, 258, 351, 387, 559, 702, 774, 1118, 1161, 1677, 2322, 2687, 3354, 5031, 5374, 8061, 10062, 15093, 16122, 24183, 30186, 34931, 48366, 69862, 72549, 104793, 115541, 145098, 209586, 231082, 314379, 346623, 628758, 693246, 943137, 1039869, 1502033, 1886274, 2079738, 3004066, 3119607, 4506099, 6239214, 9012198, 13518297, 27036594, 40554891, 81109782]

約数ペア:

[(1, 81109782), (2, 40554891), (3, 27036594), (6, 13518297), (9, 9012198), (13, 6239214), (18, 4506099), (26, 3119607), (27, 3004066), (39, 2079738), (43, 1886274), (54, 1502033), (78, 1039869), (86, 943137), (117, 693246), (129, 628758), (234, 346623), (258, 314379), (351, 231082), (387, 209586), (559, 145098), (702, 115541), (774, 104793), (1118, 72549), (1161, 69862), (1677, 48366), (2322, 34931), (2687, 30186), (3354, 24183), (5031, 16122), (5374, 15093), (8061, 10062)]