131780295

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1951}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 243609600

約数和(自身を除く): 111829305

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 79, 95, 171, 237, 285, 395, 711, 855, 1185, 1501, 1951, 3555, 4503, 5853, 7505, 9755, 13509, 17559, 22515, 29265, 37069, 67545, 87795, 111207, 154129, 185345, 333621, 462387, 556035, 770645, 1387161, 1668105, 2311935, 2928451, 6935805, 8785353, 14642255, 26356059, 43926765, 131780295]

約数ペア:

[(1, 131780295), (3, 43926765), (5, 26356059), (9, 14642255), (15, 8785353), (19, 6935805), (45, 2928451), (57, 2311935), (79, 1668105), (95, 1387161), (171, 770645), (237, 556035), (285, 462387), (395, 333621), (711, 185345), (855, 154129), (1185, 111207), (1501, 87795), (1951, 67545), (3555, 37069), (4503, 29265), (5853, 22515), (7505, 17559), (9755, 13509)]