81995445

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1747}}^1$

素因数の和:1914

約数の個数: 48

約数和(自身を含む): 163612800

約数和(自身を除く): 81617355

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 149, 315, 447, 745, 1043, 1341, 1747, 2235, 3129, 5215, 5241, 6705, 8735, 9387, 12229, 15645, 15723, 26205, 36687, 46935, 61145, 78615, 110061, 183435, 260303, 550305, 780909, 1301515, 1822121, 2342727, 3904545, 5466363, 9110605, 11713635, 16399089, 27331815, 81995445]

約数ペア:

[(1, 81995445), (3, 27331815), (5, 16399089), (7, 11713635), (9, 9110605), (15, 5466363), (21, 3904545), (35, 2342727), (45, 1822121), (63, 1301515), (105, 780909), (149, 550305), (315, 260303), (447, 183435), (745, 110061), (1043, 78615), (1341, 61145), (1747, 46935), (2235, 36687), (3129, 26205), (5215, 15723), (5241, 15645), (6705, 12229), (8735, 9387)]