49503909

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1217}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 81849600

約数和(自身を除く): 32345691

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 447, 1043, 1217, 1937, 3129, 3651, 5811, 8519, 13559, 15821, 25557, 40677, 47463, 110747, 181333, 332241, 543999, 1269331, 2357329, 3807993, 7071987, 16501303, 49503909]

約数ペア:

[(1, 49503909), (3, 16501303), (7, 7071987), (13, 3807993), (21, 2357329), (39, 1269331), (91, 543999), (149, 332241), (273, 181333), (447, 110747), (1043, 47463), (1217, 40677), (1937, 25557), (3129, 15821), (3651, 13559), (5811, 8519)]