81651906

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{12227}}^1$

素因数の和:12295

約数の個数: 48

約数和(自身を含む): 206017344

約数和(自身を除く): 124365438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 477, 742, 954, 1113, 2226, 3339, 6678, 12227, 24454, 36681, 73362, 85589, 110043, 171178, 220086, 256767, 513534, 648031, 770301, 1296062, 1540602, 1944093, 3888186, 4536217, 5832279, 9072434, 11664558, 13608651, 27217302, 40825953, 81651906]

約数ペア:

[(1, 81651906), (2, 40825953), (3, 27217302), (6, 13608651), (7, 11664558), (9, 9072434), (14, 5832279), (18, 4536217), (21, 3888186), (42, 1944093), (53, 1540602), (63, 1296062), (106, 770301), (126, 648031), (159, 513534), (318, 256767), (371, 220086), (477, 171178), (742, 110043), (954, 85589), (1113, 73362), (2226, 36681), (3339, 24454), (6678, 12227)]