284739

素因数分解:

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

素因数の和:179

約数の個数: 24

約数和(自身を含む): 478800

約数和(自身を除く): 194061

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 149, 273, 447, 637, 1043, 1911, 1937, 3129, 5811, 7301, 13559, 21903, 40677, 94913, 284739]

約数ペア:

[(1, 284739), (3, 94913), (7, 40677), (13, 21903), (21, 13559), (39, 7301), (49, 5811), (91, 3129), (147, 1937), (149, 1911), (273, 1043), (447, 637)]