971289081

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{141443}}^1$

素因数の和:141565

約数の個数: 24

約数和(自身を含む): 1618119360

約数和(自身を除く): 646830279

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 141443, 424329, 990101, 1272987, 2970303, 8910909, 15417287, 46251861, 107921009, 138755583, 323763027, 971289081]

約数ペア:

[(1, 971289081), (3, 323763027), (7, 138755583), (9, 107921009), (21, 46251861), (63, 15417287), (109, 8910909), (327, 2970303), (763, 1272987), (981, 990101), (2289, 424329), (6867, 141443)]