181567221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1721}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 277724160

約数和(自身を除く): 96156939

約数列:

[1, 3, 11, 23, 33, 69, 139, 253, 417, 759, 1529, 1721, 3197, 4587, 5163, 9591, 18931, 35167, 39583, 56793, 105501, 118749, 239219, 435413, 717657, 1306239, 2631409, 5502037, 7894227, 16506111, 60522407, 181567221]

約数ペア:

[(1, 181567221), (3, 60522407), (11, 16506111), (23, 7894227), (33, 5502037), (69, 2631409), (139, 1306239), (253, 717657), (417, 435413), (759, 239219), (1529, 118749), (1721, 105501), (3197, 56793), (4587, 39583), (5163, 35167), (9591, 18931)]