254319387

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{2753}}^1$

素因数の和:2899

約数の個数: 32

約数和(自身を含む): 399748608

約数和(自身を除く): 145429221

約数列:

[1, 3, 7, 21, 53, 83, 159, 249, 371, 581, 1113, 1743, 2753, 4399, 8259, 13197, 19271, 30793, 57813, 92379, 145909, 228499, 437727, 685497, 1021363, 1599493, 3064089, 4798479, 12110447, 36331341, 84773129, 254319387]

約数ペア:

[(1, 254319387), (3, 84773129), (7, 36331341), (21, 12110447), (53, 4798479), (83, 3064089), (159, 1599493), (249, 1021363), (371, 685497), (581, 437727), (1113, 228499), (1743, 145909), (2753, 92379), (4399, 57813), (8259, 30793), (13197, 19271)]