81111204

素因数分解:

$2^2\times 3^2\times {\mathrm{197}}^1\times {\mathrm{11437}}^1$

素因数の和:11644

約数の個数: 36

約数和(自身を含む): 206089884

約数和(自身を除く): 124978680

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 197, 394, 591, 788, 1182, 1773, 2364, 3546, 7092, 11437, 22874, 34311, 45748, 68622, 102933, 137244, 205866, 411732, 2253089, 4506178, 6759267, 9012356, 13518534, 20277801, 27037068, 40555602, 81111204]

約数ペア:

[(1, 81111204), (2, 40555602), (3, 27037068), (4, 20277801), (6, 13518534), (9, 9012356), (12, 6759267), (18, 4506178), (36, 2253089), (197, 411732), (394, 205866), (591, 137244), (788, 102933), (1182, 68622), (1773, 45748), (2364, 34311), (3546, 22874), (7092, 11437)]