521001819

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 869457888

約数和(自身を除く): 348456069

約数列:

[1, 3, 9, 13, 23, 39, 53, 69, 117, 159, 169, 207, 281, 299, 477, 507, 689, 843, 897, 1219, 1521, 2067, 2529, 2691, 3653, 3657, 3887, 6201, 6463, 8957, 10959, 10971, 11661, 14893, 15847, 19389, 26871, 32877, 34983, 44679, 47489, 47541, 58167, 80613, 84019, 134037, 142467, 142623, 193609, 206011, 252057, 342539, 427401, 580827, 618033, 756171, 1027617, 1092247, 1742481, 1854099, 2516917, 3082851, 3276741, 4453007, 7550751, 9830223, 13359021, 22652253, 40077063, 57889091, 173667273, 521001819]

約数ペア:

[(1, 521001819), (3, 173667273), (9, 57889091), (13, 40077063), (23, 22652253), (39, 13359021), (53, 9830223), (69, 7550751), (117, 4453007), (159, 3276741), (169, 3082851), (207, 2516917), (281, 1854099), (299, 1742481), (477, 1092247), (507, 1027617), (689, 756171), (843, 618033), (897, 580827), (1219, 427401), (1521, 342539), (2067, 252057), (2529, 206011), (2691, 193609), (3653, 142623), (3657, 142467), (3887, 134037), (6201, 84019), (6463, 80613), (8957, 58167), (10959, 47541), (10971, 47489), (11661, 44679), (14893, 34983), (15847, 32877), (19389, 26871)]