131235411

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 189331200

約数和(自身を除く): 58095789

約数列:

[1, 3, 29, 37, 59, 87, 111, 177, 691, 1073, 1711, 2073, 2183, 3219, 5133, 6549, 20039, 25567, 40769, 60117, 63307, 76701, 122307, 189921, 741443, 1182301, 1508453, 2224329, 3546903, 4525359, 43745137, 131235411]

約数ペア:

[(1, 131235411), (3, 43745137), (29, 4525359), (37, 3546903), (59, 2224329), (87, 1508453), (111, 1182301), (177, 741443), (691, 189921), (1073, 122307), (1711, 76701), (2073, 63307), (2183, 60117), (3219, 40769), (5133, 25567), (6549, 20039)]