81826506

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1611

約数の個数: 48

約数和(自身を含む): 184092480

約数和(自身を除く): 102265974

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 129, 142, 213, 258, 387, 426, 639, 774, 1278, 1489, 2978, 3053, 4467, 6106, 8934, 9159, 13401, 18318, 26802, 27477, 54954, 64027, 105719, 128054, 192081, 211438, 317157, 384162, 576243, 634314, 951471, 1152486, 1902942, 4545917, 9091834, 13637751, 27275502, 40913253, 81826506]

約数ペア:

[(1, 81826506), (2, 40913253), (3, 27275502), (6, 13637751), (9, 9091834), (18, 4545917), (43, 1902942), (71, 1152486), (86, 951471), (129, 634314), (142, 576243), (213, 384162), (258, 317157), (387, 211438), (426, 192081), (639, 128054), (774, 105719), (1278, 64027), (1489, 54954), (2978, 27477), (3053, 26802), (4467, 18318), (6106, 13401), (8934, 9159)]