80821041

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{1523}}^1$

素因数の和:1578

約数の個数: 36

約数和(自身を含む): 132386832

約数和(自身を除く): 51565791

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 361, 399, 931, 1083, 1523, 2527, 2793, 4569, 7581, 10661, 17689, 28937, 31983, 53067, 74627, 86811, 202559, 223881, 549803, 607677, 1417913, 1649409, 3848621, 4253739, 11545863, 26940347, 80821041]

約数ペア:

[(1, 80821041), (3, 26940347), (7, 11545863), (19, 4253739), (21, 3848621), (49, 1649409), (57, 1417913), (133, 607677), (147, 549803), (361, 223881), (399, 202559), (931, 86811), (1083, 74627), (1523, 53067), (2527, 31983), (2793, 28937), (4569, 17689), (7581, 10661)]