197754291

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8111}}^1$

素因数の和:8173

約数の個数: 40

約数和(自身を含む): 345506304

約数和(自身を除く): 147752013

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 903, 1161, 2709, 3483, 8111, 8127, 24333, 24381, 56777, 72999, 170331, 218997, 348773, 510993, 656991, 1046319, 1532979, 2441411, 3138957, 4598937, 7324233, 9416871, 21972699, 28250613, 65918097, 197754291]

約数ペア:

[(1, 197754291), (3, 65918097), (7, 28250613), (9, 21972699), (21, 9416871), (27, 7324233), (43, 4598937), (63, 3138957), (81, 2441411), (129, 1532979), (189, 1046319), (301, 656991), (387, 510993), (567, 348773), (903, 218997), (1161, 170331), (2709, 72999), (3483, 56777), (8111, 24381), (8127, 24333)]