9806321

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 12093120

約数和(自身を除く): 2286799

約数列:

[1, 7, 29, 49, 67, 103, 203, 469, 721, 1421, 1943, 2987, 3283, 5047, 6901, 13601, 20909, 48307, 95207, 146363, 200129, 338149, 1400903, 9806321]

約数ペア:

[(1, 9806321), (7, 1400903), (29, 338149), (49, 200129), (67, 146363), (103, 95207), (203, 48307), (469, 20909), (721, 13601), (1421, 6901), (1943, 5047), (2987, 3283)]