8257431

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 14364000

約数和(自身を除く): 6106569

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 149, 203, 273, 377, 447, 609, 637, 1043, 1131, 1421, 1911, 1937, 2639, 3129, 4263, 4321, 5811, 7301, 7917, 12963, 13559, 18473, 21903, 30247, 40677, 55419, 56173, 90741, 94913, 168519, 211729, 284739, 393211, 635187, 1179633, 2752477, 8257431]

約数ペア:

[(1, 8257431), (3, 2752477), (7, 1179633), (13, 635187), (21, 393211), (29, 284739), (39, 211729), (49, 168519), (87, 94913), (91, 90741), (147, 56173), (149, 55419), (203, 40677), (273, 30247), (377, 21903), (447, 18473), (609, 13559), (637, 12963), (1043, 7917), (1131, 7301), (1421, 5811), (1911, 4321), (1937, 4263), (2639, 3129)]