39419991

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19819}}^1$

素因数の和:19855

約数の個数: 24

約数和(自身を含む): 64930320

約数和(自身を除く): 25510329

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 19819, 59457, 178371, 257647, 336923, 772941, 1010769, 2318823, 3032307, 4379999, 13139997, 39419991]

約数ペア:

[(1, 39419991), (3, 13139997), (9, 4379999), (13, 3032307), (17, 2318823), (39, 1010769), (51, 772941), (117, 336923), (153, 257647), (221, 178371), (663, 59457), (1989, 19819)]