20141991

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2801}}^1$

素因数の和:2871

約数の個数: 24

約数和(自身を含む): 31472064

約数和(自身を除く): 11330073

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 2801, 7191, 8403, 25209, 47617, 131647, 142851, 394941, 428553, 1184823, 2237999, 6713997, 20141991]

約数ペア:

[(1, 20141991), (3, 6713997), (9, 2237999), (17, 1184823), (47, 428553), (51, 394941), (141, 142851), (153, 131647), (423, 47617), (799, 25209), (2397, 8403), (2801, 7191)]