87397305

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 142940160

約数和(自身を除く): 55542855

約数列:

[1, 3, 5, 15, 79, 131, 237, 393, 395, 563, 655, 1185, 1689, 1965, 2815, 8445, 10349, 31047, 44477, 51745, 73753, 133431, 155235, 221259, 222385, 368765, 667155, 1106295, 5826487, 17479461, 29132435, 87397305]

約数ペア:

[(1, 87397305), (3, 29132435), (5, 17479461), (15, 5826487), (79, 1106295), (131, 667155), (237, 368765), (393, 222385), (395, 221259), (563, 155235), (655, 133431), (1185, 73753), (1689, 51745), (1965, 44477), (2815, 31047), (8445, 10349)]