86191815

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 141200640

約数和(自身を除く): 55008825

約数列:

[1, 3, 5, 15, 67, 139, 201, 335, 417, 617, 695, 1005, 1851, 2085, 3085, 9255, 9313, 27939, 41339, 46565, 85763, 124017, 139695, 206695, 257289, 428815, 620085, 1286445, 5746121, 17238363, 28730605, 86191815]

約数ペア:

[(1, 86191815), (3, 28730605), (5, 17238363), (15, 5746121), (67, 1286445), (139, 620085), (201, 428815), (335, 257289), (417, 206695), (617, 139695), (695, 124017), (1005, 85763), (1851, 46565), (2085, 41339), (3085, 27939), (9255, 9313)]