31440801

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11257}}^1$

素因数の和:11293

約数の個数: 24

約数和(自身を含む): 51336480

約数和(自身を除く): 19895679

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 11257, 33771, 78799, 213883, 236397, 551593, 641649, 1497181, 1654779, 4491543, 10480267, 31440801]

約数ペア:

[(1, 31440801), (3, 10480267), (7, 4491543), (19, 1654779), (21, 1497181), (49, 641649), (57, 551593), (133, 236397), (147, 213883), (399, 78799), (931, 33771), (2793, 11257)]