208277145

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{12821}}^1$

素因数の和:12870

約数の個数: 36

約数和(自身を含む): 381044196

約数和(自身を除く): 172767051

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 361, 855, 1083, 1805, 3249, 5415, 12821, 16245, 38463, 64105, 115389, 192315, 243599, 576945, 730797, 1217995, 2192391, 3653985, 4628381, 10961955, 13885143, 23141905, 41655429, 69425715, 208277145]

約数ペア:

[(1, 208277145), (3, 69425715), (5, 41655429), (9, 23141905), (15, 13885143), (19, 10961955), (45, 4628381), (57, 3653985), (95, 2192391), (171, 1217995), (285, 730797), (361, 576945), (855, 243599), (1083, 192315), (1805, 115389), (3249, 64105), (5415, 38463), (12821, 16245)]