247968861

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{41143}}^1$

素因数の和:41201

約数の個数: 24

約数和(自身を含む): 393994944

約数和(自身を除く): 146026083

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 41143, 123429, 288001, 864003, 1686863, 2016007, 5060589, 6048021, 11808041, 35424123, 82656287, 247968861]

約数ペア:

[(1, 247968861), (3, 82656287), (7, 35424123), (21, 11808041), (41, 6048021), (49, 5060589), (123, 2016007), (147, 1686863), (287, 864003), (861, 288001), (2009, 123429), (6027, 41143)]