20070207

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 10976193

約数列:

[1, 3, 9, 27, 43, 59, 129, 177, 293, 387, 531, 879, 1161, 1593, 2537, 2637, 7611, 7911, 12599, 17287, 22833, 37797, 51861, 68499, 113391, 155583, 340173, 466749, 743341, 2230023, 6690069, 20070207]

約数ペア:

[(1, 20070207), (3, 6690069), (9, 2230023), (27, 743341), (43, 466749), (59, 340173), (129, 155583), (177, 113391), (293, 68499), (387, 51861), (531, 37797), (879, 22833), (1161, 17287), (1593, 12599), (2537, 7911), (2637, 7611)]