81407214

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{761}}^1$

素因数の和:1062

約数の個数: 64

約数和(自身を含む): 207751680

約数和(自身を除く): 126344466

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 283, 378, 566, 761, 849, 1522, 1698, 1981, 2283, 2547, 3962, 4566, 5094, 5327, 5943, 6849, 7641, 10654, 11886, 13698, 15282, 15981, 17829, 20547, 31962, 35658, 41094, 47943, 53487, 95886, 106974, 143829, 215363, 287658, 430726, 646089, 1292178, 1507541, 1938267, 3015082, 3876534, 4522623, 5814801, 9045246, 11629602, 13567869, 27135738, 40703607, 81407214]

約数ペア:

[(1, 81407214), (2, 40703607), (3, 27135738), (6, 13567869), (7, 11629602), (9, 9045246), (14, 5814801), (18, 4522623), (21, 3876534), (27, 3015082), (42, 1938267), (54, 1507541), (63, 1292178), (126, 646089), (189, 430726), (283, 287658), (378, 215363), (566, 143829), (761, 106974), (849, 95886), (1522, 53487), (1698, 47943), (1981, 41094), (2283, 35658), (2547, 31962), (3962, 20547), (4566, 17829), (5094, 15981), (5327, 15282), (5943, 13698), (6849, 11886), (7641, 10654)]