219723885

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3253}}^1$

素因数の和:3362

約数の個数: 48

約数和(自身を含む): 406099200

約数和(自身を除く): 186375315

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 79, 95, 171, 237, 285, 395, 711, 855, 1185, 1501, 3253, 3555, 4503, 7505, 9759, 13509, 16265, 22515, 29277, 48795, 61807, 67545, 146385, 185421, 256987, 309035, 556263, 770961, 927105, 1284935, 2312883, 2781315, 3854805, 4882753, 11564415, 14648259, 24413765, 43944777, 73241295, 219723885]

約数ペア:

[(1, 219723885), (3, 73241295), (5, 43944777), (9, 24413765), (15, 14648259), (19, 11564415), (45, 4882753), (57, 3854805), (79, 2781315), (95, 2312883), (171, 1284935), (237, 927105), (285, 770961), (395, 556263), (711, 309035), (855, 256987), (1185, 185421), (1501, 146385), (3253, 67545), (3555, 61807), (4503, 48795), (7505, 29277), (9759, 22515), (13509, 16265)]