257150943

素因数分解:

$3^4\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1307}}^1$

素因数の和:1673

約数の個数: 40

約数和(自身を含む): 440618112

約数和(自身を除く): 183467169

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 347, 567, 1041, 1307, 2429, 3123, 3921, 7287, 9149, 9369, 11763, 21861, 27447, 28107, 35289, 65583, 82341, 105867, 196749, 247023, 453529, 741069, 1360587, 3174703, 4081761, 9524109, 12245283, 28572327, 36735849, 85716981, 257150943]

約数ペア:

[(1, 257150943), (3, 85716981), (7, 36735849), (9, 28572327), (21, 12245283), (27, 9524109), (63, 4081761), (81, 3174703), (189, 1360587), (347, 741069), (567, 453529), (1041, 247023), (1307, 196749), (2429, 105867), (3123, 82341), (3921, 65583), (7287, 35289), (9149, 28107), (9369, 27447), (11763, 21861)]