216855177

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{6217}}^1$

素因数の和:6389

約数の個数: 32

約数和(自身を含む): 362932224

約数和(自身を除く): 146077047

約数列:

[1, 3, 7, 11, 21, 33, 77, 151, 231, 453, 1057, 1661, 3171, 4983, 6217, 11627, 18651, 34881, 43519, 68387, 130557, 205161, 478709, 938767, 1436127, 2816301, 6571369, 10326437, 19714107, 30979311, 72285059, 216855177]

約数ペア:

[(1, 216855177), (3, 72285059), (7, 30979311), (11, 19714107), (21, 10326437), (33, 6571369), (77, 2816301), (151, 1436127), (231, 938767), (453, 478709), (1057, 205161), (1661, 130557), (3171, 68387), (4983, 43519), (6217, 34881), (11627, 18651)]